# algebra

1,257 results
1. ## Algebra

I am getting ready to start an Algebra class for the first time and I was wondering what challenges people have with learning and using algebra concepts. Also what are the best ways to over come math anxiety? The best way? Learn the language of algebra.

asked by jeff on March 20, 2007
2. ## MATH

Lesson 9: Foundations for Algebra Unit Test CE 2015 Algebra 1 Unit 2: Foundations for Algebra SOMEONE, PLEASE GIVE ME THE ANSWERS 1-30

asked by G on October 10, 2017
3. ## Algebra-still need some help

Homework Help Forum: Algebra Posted by Jena on Thursday, February 3, 2011 at 7:32pm. Find the domain of the function. f(x)=(sqrt x+6)/(-2x-5) Write your answer as an interval or union of intervals. Algebra - David, Thursday, February 3, 2011 at 7:42pm

asked by Jena on February 4, 2011
4. ## Math

I'm an on-going 8th grader, and I'm taking a class for Algebra 2. What should I expect that is different from Algebra 1? P.S. I've taken Geometry online.

asked by Sheenybeany on June 9, 2014
5. ## math

Need help with algebra question If c= 5/9 (F-32)and F is 77 then what is c the 5/9 reprsents a fraction, I am no good in algebra and need help how to get the answer and the problem, thanks

asked by chris on October 11, 2008
6. ## new brunswick college

can any body send me information about algerba . i know the principle. when you have the four signes what you do to one side you do the opposite side. want to know some historyso i might understand it better . thank you randy go to gomath information on

asked by randydemerchant on May 14, 2007
7. ## Algebra I

So- im trying to help my little brother out with his Algebra- but its been awhile since i have had algebra class- we need help with the following question: Solve the following equation for x: 2(x+4)=4x+12 2x+8=4x+12 2x=-4 x=-2 I think, lol I'll buy that.

asked by Briana on January 22, 2007
8. ## algebra 2

Posted by hellogoodbie on Saturday, January 16, 2010 at 3:24pm. Posted by hellogoodbie on Saturday, January 16, 2010 at 2:59pm. How is this problem done? IF f(x)=2x^2-8x-3 FIND f(-2) algebra 2 - bobpursley, Saturday, January 16, 2010 at 1:42pm Put in for x

asked by hellogoodbie on January 16, 2010
9. ## Algebra 1A

How is algebra a useful tool? what concepts investigated in algebra can be apply to personal and professional life? I need help answering this question. Please help?

asked by Julissa on December 1, 2008
10. ## algebra 1

at a certain high school,350 students are taking algebra. the ratio of boys to girls taking algebra is 33:37. How many more girls are taking algebra than boys? - How can you write a system of equations to model the situation? - Which equation will you

asked by lucy on January 27, 2013
11. ## statistics

1. Use the following information about a group of college students: Fifty percent are taking Algebra. Sixty percent are taking Biology. Thirty percent are taking both Biology and Algebra. A student from the group is selected at random, calculate the

12. ## Algebra

In an interview of 50 math majors, 12 liked calculus and geometry 18 liked calculus but not algebra 4 liked calculus, algebra and geometry 25 liked calculus 15 liked geometry 10 liked algebra but neither calculus nor geometry 2 liked geometry and algebra

asked by Anita on January 12, 2010
13. ## math

8. In an interview of 50 math majors, 12 liked calculus and geometry 18 liked calculus but not algebra 4 liked calculus, algebra, and geometry 25 liked calculus 15 liked geometry 10 liked algebra but neither calculus nor geometry 2 liked geometry and

asked by poo on December 1, 2009
14. ## Algebra

I am having a problem with solving a composite function in Algebra 1 How do I solve f(x) = -2x + 1 and g(x) = 4x? Don't I need more info? No, that is all you need. I it unclear what you want to do here. see

asked by Alec on July 19, 2007
15. ## pre-calc.

Answers for Determine The Minimum Distance From The Point (18,20) To The Line 5x+8y=120 Include: Graph, Algebra Of Any Equations, Algebra Of System, Set-up & Steps Of Final Calculations.

asked by Okzy on October 22, 2012
16. ## math

Use algebra pieces and mental arithmetic to determine four consecutive odd numbers who sum is 64. Sketch and label your algebra piece model and explain how you solved the problem.

asked by marcus on June 2, 2012
17. ## Algebra

ello i need help factoring I haven't had factorin sense Algebra one and now am in Algebra two and our school is screwed up were they shove in a year of Euclidean Geometry and Basic Trig inbetween first two years of Algebra... so i need to factor X^2-12X+35

asked by Algebra on December 8, 2008
18. ## math

the sum of a number and 3 times that number is 76. what is that number? PLEASE HELP ME I DON'T GET IT!!!!!!!! Mathematics is a language, so translate the English into "math" let the number be x "the sum of a number and 3 times that number is 76", .... what

asked by Rebekka on April 18, 2007

There are at least 5 more than twice as many students taking algebra 1 than taking algebra 2. If there are 44 students taking algebra 2, what is the least number of students who could be taking algebra 1. Show all work

asked by lee on November 21, 2008
20. ## math

Please explain in detail how to solve each question: At a certain high school, 350 students are taking an algebra course. The ratio of boys to girls taking algebra is 33:37. How many more girls are taking algebra than boys? How can you write a system of

asked by Jane on January 4, 2012
21. ## algebra 2

Posted by hellogoodbie on Saturday, January 16, 2010 at 2:59pm. How is this problem done? IF f(x)=2x^2-8x-3 FIND f(-2) algebra 2 - bobpursley, Saturday, January 16, 2010 at 1:42pm Put in for x the value -2, and compute f(-2) algebra 2 - hellogoodbie,

asked by hellogoodbie on January 16, 2010
22. ## angebra

ok i have 19th grade algebra next yeah and i don't even know half the stuff from thid year...soo what di i do cuz i am totsly going to fail i mrn itd summy snd im worried about algebra

asked by caroline on June 14, 2012
23. ## statistics

At a small college it is known from previous years that 35% of all college freshman start in college algebra. The new freshman class has 100 students in it, What is the probability that between 35 and 42 freshman will start in college algebra? Is it

asked by lola on March 23, 2012
24. ## Algebra II

ok now this is an algebra 2 problem... I have goten far down to hear e^(ix) = (4i +/- 3)/5 now how do I solve for x I feel really stupid now as this is algebra 2... can't use natural log right or the common log as ln( e^(ix) ) does not equal ix so what do

asked by Kate on July 21, 2010
25. ## algebra

Is there a site or someone who can help me, im not getting the basic algebra...I need someone or a web site that will help me understand the basics of algebra. PLZ HELP Im in 8th grade

asked by Audy on January 8, 2015
26. ## math 116

Should algebra be taught to everyone? Who should study algebra?

asked by Meshelle on March 20, 2009
27. ## Question

@Alex asked this question when I was on earlier: Let line l_1 be the graph of 5x + 8y = -9. Line l_2 is perpendicular to line l_1 and passes through the point (10,10). If line l_2 is the graph of the equation y=mx +b, then find m+b. I'm wondering like how

asked by Yuuna on September 4, 2017
28. ## senior courses

So far in high school i have taken geometry, algebra 2, and trigonometry. one of my friends is taking calculus and she says its way too difficult. and since i have alot of trouble in algebra and trig myself i don't think calculus would be the right choice

asked by y912f on April 29, 2009
29. ## Quick math question

Can anyone give me a link to a free online algebra test for 9th graders. I have a test on Monday based on algebra to see if I can move on to Geometery and I need a test to see if I'm ready. Thanks

asked by Katie on April 25, 2009
30. ## FOR MATHMATE

Media services charges \$40 for a phone and 20/mth for its economy plan. It says to find a model that determines the total cost, C(t), of operationg a media Services phone for t months. I think the answer should be in this equation - y = mx+b. Not sure.

asked by AMY on November 27, 2010
31. ## Algebra

y^2-x-4=0 a)find all x and y intercepts of the graph implied by this equation. (use an appropriate equation). b) test the graph for symmetry using algebra. (explain reasoning through algebra)

asked by Kim on February 24, 2016
32. ## math/prealgebra

what are the actual definitions to the word algebra itself? algebra? cubed? counter example? function table? function rule? can you help me find these definitions?

asked by alexis on August 20, 2010
33. ## algebra honors

I was placed into algebra honors instead of advanced math.. I am in 7th grade.. I have to maintain an 80% for the entire year or go to virtual school all summer.. My question is: Is there a special technique, formula, or very useful site that might help me

34. ## Maths

When J gives A \$6, they will both have the same amount. When A gives J \$6, she will have 1/3 of J's amount. What are the amounts they both have at first?( please do not solve by algebra, i have not been taught algebra)

asked by Mathshelpme on January 2, 2012
35. ## Algebra

Let "n" be a positive integer. How many points (x,y) in the coordinate plane are there such that x and y are integers and 0

asked by Laurie on October 25, 2017
36. ## Alegreba

The algebra which is appropriate for all students in the twenty-first century moves away from a tight focus on manipulating symbols to include a greater emphasis on conceptual understanding, on algebra as a means of representation, and on algebraic methods

asked by Anonymous on September 5, 2008
37. ## Boolean Algebra

Simplify: (x * y) + (~x * z) + (y * z) I'm using ~ to represent NOT, * to represent AND, + to represent OR I did: (x * y) + (~x * z) + (y * z) = (x * y) + z(~x * y) But I can't get any further from here A boolean algebra calculator online says the

asked by Anonymous on September 18, 2018
38. ## pre-algebra

kk my teach told me to describe and draw things that are about pre-algebra and she told me to write what pre-algebra is... so can anyone help me??

asked by damainmind on August 26, 2008
39. ## Pre-Algebra

Hi has anyone done lesson 10: Geometry Unit Test Essential Algebra Readiness (Pre-Algebra) B Unit 1: Geometry i really need help has anyone done it please if u have please help!!!!

asked by K on February 24, 2018
40. ## algebra 1 help

fin the complement and the supplemnt of the angel measure 1) 130 complement-40 suplement-50 or vice versa if anyone can help me with some algebra work it would be greatly appreciated i am im algebra 1 and still on the second quarter and have until november

asked by cristina on August 21, 2005
41. ## Math

I need to find the value of x. 5(x-4) = 3(x+8) Trying to help my niece and haven't done this stuff for 20 years. :) 5(x-4) = 3(x+8) 5x - 20 = 3x + 24 5x - 3x = 20 + 24 2x = 44 x = 22 I hope this brings back the algebra you studied 20 years ago. :-) By the

asked by Beth on August 6, 2007
42. ## Math

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical

asked by Jen on July 19, 2011
43. ## math

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 210 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical

asked by kozy on May 29, 2011
44. ## Algebra II

I need to write a polynomial in SIMPLEST FORM having roots 2,-2 and 4. I have to gt rid of the parentheses by multiplying everything out.Did I do it correctly? Also, someone said yes, but I'm wondering if it suppose to have anything else done to it-it

asked by Jessica on September 22, 2011
45. ## Math

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical

asked by Jen on July 20, 2011
46. ## Algebra- is my answer right

The function g is defined by g(x)=3x^2+6. Find g(5y) Algebra - drwls, Friday, February 4, 2011 at 11:07am 3*(5y)^2 + 6 = __? Algebra - Janet, Friday, February 4, 2011 at 3:56pm I get 75y+6

asked by Janet on February 4, 2011
47. ## Algebra

An algebra book weighs 6oz less than twice as much as a grammar book. If 5 algebra books weigh the same as 8 grammar books, how much does an algebra book weigh.

asked by Anonymous on October 16, 2014
48. ## algebra

multiplication of algebraic expressions. I searched Google under the key words "multiplication 'algebraic expressions'" to get these possible sources: http://www.intmath.com/Basic-algebra/2_Multiplication-algebra.php

asked by klar maesen on July 12, 2007
49. ## Algebra

The average mark on a test in an algebra class is 80. If the two lowest scores of 34 and 48 are not counted, the remaining scores would average 83. How many students are in the algebra class?

asked by Rocky on October 28, 2010
50. ## statistics

A professor knows that in her class 37% of the students have passed an Algebra course, 29% have passed an English course, and 21% have passed both courses. If one student is selected at random from this class, find the probability that: c) the student did

asked by Confused on April 24, 2011
51. ## Grammar

Replace with or replace for? Sentence: I want to replace algebra (with/for) trigonometry. If I use the word with, then does that's an I want trigonometry and not algebra? If I use the word for, then does that mean I want algebra and not trigonometry? Any

asked by Anonymous on August 29, 2013
52. ## math

Can someone correct this for me please or help me out.... Why are variables useful in algebra? My answer: Variables are useful in algebra because they detemine an answer that anyone is trying to get to. Variables can represent a single number or a whole

asked by jasmine20 on January 1, 2007
53. ## Algebra

I cannot understand how you worked out this problem Bob. Could you explain the steps you made? Algebra - bobpursley, Wednesday, April 27, 2011 at 10:36am if it is as I wrote it, then (45x/6t)11x= 45*11*x^2/6t = 15*11*x^2/2t= 165x^2/2t Algebra - tish,

asked by aria on April 28, 2011
54. ## algebra 2

How is this problem done? IF f(x)=2x^2-8x-3 FIND f(-2) algebra 2 - bobpursley, Saturday, January 16, 2010 at 1:42pm Put in for x the value -2, and compute f(-2) algebra 2 - hellogoodbie, Saturday, January 16, 2010 at 1:47pm so is the answer f=21/2? if that

asked by hellogoodbie on January 16, 2010
55. ## algebra 2

How is this problem done? IF f(x)=2x^2-8x-3 FIND f(-2) algebra 2 - bobpursley, Saturday, January 16, 2010 at 1:42pm Put in for x the value -2, and compute f(-2) algebra 2 - hellogoodbie, Saturday, January 16, 2010 at 1:47pm so is the answer f=21/2? if that

asked by hellogoodbie on January 16, 2010
56. ## set (math)

A class of 47 students took examination in algebra and geometry. If 29 passed algebra and 26 passed geometry and 4 failed in both subjects, how many passed both subjects? With solution please, tnx...

asked by HELP HELP HELP MNHS on January 23, 2013
57. ## Algebra II

I first want to make it clear that I have only taken Geometry, Algebra I, and pre-Algebra. That seemed to clear things up last time. Question: Matt bought a car at the cost of 25,000 dollars. This car's value goes down 15% every year. 1. What is the decay

asked by Anon on March 18, 2011
58. ## algebra

An algebra book weighs 6 oz less than twice as much as a grammar book. If 5 algebra books weigh the same as 8 grammar books, how much does an algebra book weigh?

asked by Anonymous on October 19, 2011
59. ## Math

an algebra book weighs 6 oz less than twice as much as grammar book. if 5 algebra books weigh the same as 8 grammar books, how much does an algebra book weigh?

asked by Zoey on September 20, 2013
60. ## Algebra 2

I have taken algebra 2 for three years in a row. I take notes daily, I pay attention in class, I have a tutor, and yet I am in the same position again. I currently have a 56.7% in my algebra 2 class. I have one test and the final exam before final grades

asked by Zachery on January 14, 2008
61. ## Inter. Algebra

square root sign 2x+3 - square root sign x-2 =2 In my head, I worked it as x=3. I did that because only sqr roots that are rational integers can be subtracted to give a whole number. Now, analytic method. I have no idea, I don't see a simple method in

asked by Andrea on December 3, 2006
62. ## math To MS.SUE

Ms sue i really want a hundred percent on one algebra test im in algebra and im so smart and good at math but the thing is in my class we tooken 4 tests and on all of then i only got one wrong whit the most minor common mistake i don't understand just one

asked by jj on December 16, 2012
63. ## math

solve for y? z=0.3(y-6)^2 please can you explain your working, Many thanks, Wendy. * Algebra - drwls, Friday, November 20, 2009 at 9:40am (10/3)z = (y-6)^2 y = sqrt[(10/3)z] +6 = 1.826 sqrt z + 6 * Algebra - wendy, Friday, November 20, 2009 at 9:47am I'm

asked by wendy on November 20, 2009
64. ## Algebra

Here is what I got to do : write an inequality for my classmates to solve. In my inequality, use both the multiplication and addition properties of inequalities; before I summit this to class I want to know if I did it right: 5(x + 8) -6 > 4(x + 6); 5x +

asked by A. W. on February 5, 2009
65. ## Stats

On her first test in algebra, Mary earned a score of 75, and she made an 85 on her first psychology test. If the average score on the algebra test was a 68, with s=7, and the average on the psychology test was 91, with s=6, is Mary doing better in

asked by Amber on October 4, 2012
66. ## Algebra 1

5 green balls and 2 red balls together weigh 10 pounds, and 1 green ball and 4 red balls together weigh 7 pounds. If all red balls weigh the same amount and all green balls weigh the same, then what is the weight of 8 red and 8 green balls together? I'm

asked by Melanii on February 17, 2009
67. ## ??

2a-3 x a+2 --------------- 4a-6

asked by chrissy on August 2, 2007
68. ## methods of sbtracting mixed fractions

Hello, I need did a subtraction problem with mixed numbers by converting the LCD of the denominator. However, when I went to Algebra.help they did the problem by converting the mixed problem to an improper fraction and then worked it that way. However, I

asked by Suzanne on December 20, 2010
69. ## ALGEBRA

CAN YOU PLEASE HELP, I AM STUCK..THANKS FIND THE DISTANCE BETWEEN (-3,2) AND (1,4) FIND THE DISTANCE BETWEEN (-4,0) AND -5,-3) DETERMINE WHETHER THE ROOT OF 77 IS RATIONAL OR IRRATIONAL. THANKS IN ADVANCE, I APPRECIATE ALL OF THE HELP.... No algebra

asked by TOMIKA on June 8, 2007
70. ## algebra 2

Consider the exam data below. Algebra score: 20 35 13 29 40 23 Calculus score: 41 69 34 72 86 58 Use your calculator to find the regression line for this data, and graph it on your scatterplot. b. Interpret the slope and intercepts of this line in the

asked by Rachel on July 5, 2013
71. ## Calculus

relative extrema x^4-2x^2+5 so far I know how to find the derivative which is 4x^3-2x now I am stuck... Please help Huh? 4x^3-2x=0 2x(2x^2-1)=0 and what are the roots? I will give you a hint: one is x=0 The other two are in the second parenthesis. Is it

asked by dee on March 9, 2007
72. ## algbra help

(2u^3-13u^2-8u+7) divided by (u-7) 2u^2 u-7 !2u^3-13u^2-8u+7 2u^3-7u^2 then -6u u-7 -6u^2 -8u +7 -6u^2 +42u then -50 u-7 -50u +7 -50u + 350 then a remainder of -343 rfevgftvgtg i don't get algebra The sum of m and n, divided by the difference of m and n a

asked by doc.mims on August 20, 2005
73. ## algebra

How do I do substitution equations out of the equations in the system, pick the one that has the least amount of funky numbers. then make that equation equal to either x or y(or any other variable dependin on what kind of systems youre doing, usually just

74. ## biology

I am posting this question in Biology instead of Algebra even though it is a question from my Algebra class. Thanks. A male bee has only one parent(a mother) and a female bee has two parents (a mother and a father).Assuming all ancestors are distinct, how

asked by carol on January 24, 2011
75. ## College Algebra

Solve the following equation in the complex number system x^4+x^3+4x^2+10x-60=0 College Algebra - Reiny, Monday, January 2, 2012 at 11:49pm hint x = 2 and x = -3 are roots so either do long division by x-2 and x+3 to get a quadratic or do it by synthetic

asked by Jennifer on January 4, 2012
76. ## subject areas now display relevant questions

All of the subject areas now display relevant questions from the forum. Here are some great examples: Spanish: http://www.jiskha.com/foreign_languages/spanish/ Algebra: http://www.jiskha.com/mathematics/algebra/ Biology:

asked by Leo on January 23, 2008
77. ## algebra

Lisa has twice the amount of purses as Sally. If Sally has 6 purses, how many does Lisa have?=6x+6 algebra - Ms. Sue, Tuesday, October 27, 2009 at 5:44pm 2 * 6 = ? algebra - Jarod, Tuesday, October 27, 2009 at 5:59pm Sorry it is 12 so would I 6x2=12 or

asked by Jarod on October 27, 2009
78. ## algebra

Can you use algebra to find a quadratic equation if your know the coordinates of just ONE point on its graph? Can you use algebra to find a quadratic equation if your know the coordinates of just TWO points on its graph? If so, what information is needed?

asked by Sejul on October 7, 2011
79. ## Algebra

This question never got answered and I would appreciate it if someone could take a look at it. Simplify 12(6^/(5^-4^) + 7 My thoughts 12(36/(5^-4^) + 7 12(36/9) + 7 12 (4) + 7 12 * 11 132 Algebra - Steve, Saturday, August 23, 2014 at 11:49pm Your notation

asked by Faye on August 24, 2014
80. ## Academic 4-year plan: Zoology

I want to work in the field of zoology when I get older, and I'm filling out an "academic 4-year plan" our counselors gave to my class to complete and turn in on Monday. The science and math I'm taking this year are physics and geometry. Can you take

asked by Emily on December 1, 2007
81. ## calc I

f(x)=x^3-6x+1 find the critical points, where the function is increasing or decreasing and explain the shape of the graph using the derivative and algebra. i found the derivative to be 3x^2-6. So the critical points are -1.4 and 1.4. The derivative is

asked by kate on October 23, 2008
82. ## math!

f(x)=x^3-6x+1 find the critical points, where the function is increasing or decreasing and explain the shape of the graph using the derivative and algebra. i found the derivative to be 3x^2-6. So the critical points are -1.4 and 1.4. The derivative is

asked by kate on October 23, 2008
83. ## algebra 1

Algebra 1 - bobpursley, Monday, January 3, 2011 at 4:13pm didn't I just give you the three steps? What did you not understand about those steps? Algebra 1 - Erudita, Monday, January 3, 2011 at 4:34pm subtract x from each side, then subtract 9 from each

asked by Erudita on January 3, 2011
84. ## Math - Algebra

Von's arcade uses 3 different colored tokens for its game machines. For 500, you can purchase any of the following combinations of tokens: 8 gold, 18 silver, and 7 bronze tokens; 8 gold, 14 silver, and 13 bronze tokens; or 16 gold, 6 silver, and 9 bronze

asked by Ashley Kate on January 5, 2014
85. ## algebra

the population P(t) of a new residential development t years after 2010 is P(t)=8000(1-e^-0.3t). What is the population for 2015? * algebra - Reiny, Sunday, December 5, 2010 at 6:19pm replace t with 5 and evaluate using your calculator (I got 6215) I was

asked by math help on December 6, 2010
86. ## Algebra

solve x+21/x+3

asked by Cynthia on April 4, 2008
87. ## Grammar

I want to give my Algebra teacher a letter to show how much her effort on helping me learn made me appreciate her and I just want to know if this sounds okay. Dear (my teacher's name), I just wanted to take some time to express how much I enjoyed being in

asked by Angie on June 5, 2013
88. ## Algebra

(I answered a couple of them but am not confident on my answers, so can you please tell me if my answers are not correct to the ones I answered and for the ones I haven not answered that is because I do not know how to do them. PLEASE HELP!!! This

asked by LeAnn/Needs turned in within an hour on November 18, 2009
89. ## Chemistry

A SAMPLE OF ANTIMONY, Ar=121.8, WAS ANALYSED AND WAS FOUND TO CONSIST OF 60% OF 121Sb AND ONE OTHER ISOTOPE. DETERMINE THE MASS NUMBER OF THE OTHER ISOTOPE IN THE SAMPLE OF ANTIMONY. Someone said: assume you have 100 grams. It becomes the overused algebra

asked by 0oooooooo0 on October 4, 2017
90. ## NHD (Social Studies)

Please help me out on answering this question: For a working bibliography, how is a title for a website cited? Thank you tutors for reviewing the question. I might have more social studies questions and then algebra questions, so if you see more questions

asked by anon on December 12, 2015
91. ## Algebra

(I am not sure how to get the y value for part C and the whole part D) (I answered a couple of them but am not confident on my answers, so can you please tell me if my answers are not correct to the ones I answered and for the ones I haven not answered

asked by LeAnn/I still need help on November 19, 2009
92. ## College Algebra

(I am not sure how to get the y value for part C and the whole part D) (I answered a couple of them but am not confident on my answers, so can you please tell me if my answers are not correct to the ones I answered and for the ones I haven not answered

93. ## Algebra- is my answer right

The one-to-one function f is defined by f(x)=(4x-1)/(x+7). Find f^-1, the inverse of f. Then, give the domain and range of f^-1 using interval notation. f^-1(x)= Domain (f^-1)= Range (f^-1)= Any help is greatly appreciated. Algebra - helper, Wednesday,

asked by Rachal on February 3, 2011
94. ## Algebra Repost

Which equation could be used to find the dimensions of a room that has a length of 8 feet longer than the width, x, and has an area of 240 square feet? (A) x squared - 8x + 240 = 0 (B) 2x(2x-8x+16)=240 (C) x squared + 8x + 240 = 0 (D) x squared + 8x - 240

asked by Anonymous on May 5, 2008
95. ## Maths

what is algebra

asked by sam on July 11, 2008
96. ## Algebra

can you help me with algebra

asked by Monica on March 16, 2016
97. ## math

i need help with algebra

asked by dorcas on January 17, 2016
98. ## math

what is algebra

asked by nevel on September 13, 2010