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.
  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
  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
  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.
  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
  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
  7. math

    Essential Algebra Readiness (Pre-Algebra) B Unit 5: Functions Lesson 4: Understanding the Slope
  8. 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.
  9. 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
  10. math

    Please does anyone have ANSWERS for the UNIT 7 LESSON 8 SYSTEMS OF EQUATIONS AND INEQUALITIES? FWI: It's Algebra 1 NOT PRE algebra please if I fail I'll get an F!!!!!!!
  11. 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?
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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.
  18. 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.
  19. 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
  20. 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
  21. 7th grade

    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
  22. 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
  23. 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,
  24. 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
  25. 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
  26. 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
  27. 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
  28. math 116

    Should algebra be taught to everyone? Who should study algebra?
  29. 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
  30. 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
  31. 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
  32. 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.
  33. 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)
  34. 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?
  35. 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
  36. 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)
  37. 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
  38. 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
  39. 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
  40. 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??
  41. 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!!!!
  42. 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
  43. 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
  44. 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
  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 210 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical
  46. 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
  47. 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
  48. 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
  49. 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.
  50. 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
  51. 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?
  52. 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
  53. 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
  54. 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
  55. 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,
  56. 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
  57. 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
  58. 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...
  59. 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
  60. 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?
  61. 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?
  62. 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
  63. 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
  64. 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
  65. 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
  66. 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 +
  67. 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
  68. 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
  69. ??

    2a-3 x a+2 --------------- 4a-6
  70. 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
  71. 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
  72. 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
  73. 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
  74. 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
  75. 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
  76. 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
  77. 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
  78. 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:
  79. 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
  80. 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?
  81. 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
  82. 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
  83. 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
  84. 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
  85. 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
  86. 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
  87. 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
  88. Algebra

    solve x+21/x+3
  89. 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
  90. 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
  91. 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
  92. 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
  93. 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
  94. 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
  95. 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,
  96. 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
  97. Maths

    what is algebra
  98. Algebra

    can you help me with algebra
  99. math

    i need help with algebra
  100. math

    what is algebra

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