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April 17, 2014

Search: pre-ap Algebra 2

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Pre-Ap Algebra 2
if the graph of the equation 3x+by=2 is perpendicular to the graph of 2x-3y=-4 determine the value of b
Tuesday, September 18, 2012 at 7:36pm by Maria

Pre-Ap Algebra 2
change the first equation to slope intercept form. y=-3/b *x +2/b change the second equation to the same form y=2/3 x +4/3 because perpendicular lines have the negative reciprocal slope -3/b= - (3/2) b= 2
Tuesday, September 18, 2012 at 7:36pm by bobpursley

pre-ap Algebra 2
write a polynomial function f of least degree that has the rational coefficients, a leading coefficient of 1, and the given zeros. Given zeros: -2,2,-1,3, sqrt 11
Wednesday, October 10, 2012 at 2:19am by Sam

pre-ap Algebra 2
(x+2)(x-2)(x+1)(x-3) takes care of the integer roots. Now, if √11 is a root, then (x-√11) is a factor, but that leaves a dangling √11, which will show up in the coefficients. So, you also need to include (x+√11), since (x-√11)(x+√11) = x^2-...
Wednesday, October 10, 2012 at 2:19am by Steve

pre-ap Algebra 2
oops. (x-√11)(x+√11) = x^2-11
Wednesday, October 10, 2012 at 2:19am by Steve

Anna
At 9:00 Mary Thorne set out from her house for a picnic, traveling at 15 km/h on her bike. her sister lifet 15 min later and traveled at the speed of 30 km/h. If both her sisters arrived at the picnic area at the same time, how far did each travel? How would I set this problem...
Monday, December 1, 2008 at 8:31pm by Algebra 2

Algebra 2
I need help factoring... I refuse to just sit there and play little games in my head trying to get numbers that fit... I'd rather thing of it as solving for X then going in backwards as that makes much more sense to me... So I'm given 16c^2 - 64 and i'm asked to factor... ...
Thursday, April 2, 2009 at 7:36pm by Algebra 2

Algebra 2
I do not understand i appologize could you maybe please explain more
Thursday, April 2, 2009 at 7:36pm by Algebra 2

Algebra 2
can you help me with me question below thanks
Thursday, April 2, 2009 at 8:17pm by Algebra 2

Algebra 2
thanks for the help earlier I got one more question X^4-13X^2+36 How do I factor this using algebra not just gussing and checking this times this and what number plus what number gives you these numbers how do i factor that wihtout playing one of those games were you like ...
Thursday, April 2, 2009 at 9:22pm by Algebra 2

Algebra 2
so i got a question and would like to know if i did this right For problems 1 through 38, transform the given expression to simple radical form. You can check your answer by evaluating it and the original expression by calculator. on the previous page this definition was given...
Wednesday, May 27, 2009 at 2:59pm by Algebra 2

Algebra 2
I have a question... I have no idea how to turn this into SRform 2187^(1/3) - 2(24)^(1/3) I saw I could do this 2187^(1/3) - 2(4*6)^(1/3) 2187^(1/3) - 4(6)^(1/3) then I do this 2187^(1/3)/ (6)^(1/3) and I don't get a whole number so I can conclude that... I can never get a ...
Thursday, May 28, 2009 at 2:45pm by Algebra 2

Algebra 2
High it's me again... uh how do I write this in SRform? (7^2^-1+2^2^-1)^2 I tried writing it out in expanded form and I got 98^2^-1+28^2^-1 which is wrong so how do i do this?
Thursday, May 28, 2009 at 5:01pm by Algebra 2

Algebra 2
High it's me again... uh how do I write this in SRform? (7^2^-1+2^2^-1)^2 I tried writing it out in expanded form and I got 98^2^-1+28^2^-1 which is wrong so how do i do this?
Thursday, May 28, 2009 at 5:41pm by Algebra 2

Algebra 2
Could you please show me step by step how to solve this problem? Suppose that the equation of an ellipse is 36X^2 + 81y^2 = 2916 Find the major and minor radii. Use these numbers and the realtionship in problem 11 to calculate c, the focal readius for this elipse. number 11 ...
Monday, June 8, 2009 at 9:24pm by Algebra 2

Algebra 2
What's the formula given three points to come up with the quadratic equation were your give points (x1, y1 ) (x2, y2) (x3, y3) I remember seeing some really long equation were you just plug the numbers into it and get your answer but I have forgotten the equaiton
Thursday, June 11, 2009 at 8:40am by Algebra 2

Algebra 2
I think it required zeroing some things out it had three parts i think with fraction in both of them
Thursday, June 11, 2009 at 8:40am by Algebra 2

Algebra 2
What's the easiest way to solve this problem -1.28 = Sigma^-1 (25 - Mu) 1.28 = Sigma^-1 (475 - Mu) were Sigma and Mu are each different varialbes that are constant... Thanks
Wednesday, September 23, 2009 at 5:10pm by Algebra 2

Algebra 2
What's the easiest way to solve this problem -1.28 = Sigma^-1 (25 - Mu) 1.28 = Sigma^-1 (475 - Mu) were Sigma and Mu are each different varialbes that are constant...
Wednesday, September 23, 2009 at 5:51pm by Algebra 2

infinite geometric series
7. ‡” 8on top(-1/2)^n-1 n=1 8.‡” 8 on top 3(0.4)^n-1 n=1
Friday, April 27, 2012 at 2:50pm by Algebra 2

Please help! im so confused!
You draw two cards from a well-shuffled deck of 52 cards. After you draw the first card, you do not replace it in the deck. The probability of drawing the ace of diamonds on your first draw is 1/52. What is the probability of P(get king of clubs on second draw | get ace of ...
Saturday, May 4, 2013 at 2:12pm by algebra 2

Ap World History
thanks
Sunday, December 7, 2008 at 8:40pm by Algebra

Algebra 1
REWARD!RECEIVE 10$ GIFT CARD FOR EVERY 50$SPENT 1)If your reward is $10, what do you know about the amount of your purchase? 2)Give three possible amounts if your reward is $20. 3) What should you do if your total purchase is $98? Explain your answer.
Thursday, February 17, 2011 at 9:37pm by Ap

John
min/max point minimum or maximum f(x)=2x^2+8x-2 a=2 x=(-b)/(2a)=(-8)/(2)(2)=-4 x=-4 y=2(-4)^2+8(-4)-2 2(16)-32-2 32-32-2 y=-2 (-4,-2) axis of symmetry is x=-4 range[-2,oo] minimum value -2
Thursday, April 3, 2008 at 10:45pm by Algebra

math.
solve the equation. 2x^2+5=41
Tuesday, October 21, 2008 at 7:12pm by algebra.

Algebra
could you show me how to solve for x it is killing me y/x^2 = b/(a-x)^2
Sunday, September 13, 2009 at 6:57pm by Algebra

physics
If I1 is the intensity at a distance 150 m from the source and I2 is the intensity at a distance of d m from the source , I1 *150^2 = I2 *d^2 d^2 =[ I1 / I2 ]*150^2 [I1 / I2] = 1.9 /0.8= 2.375 d^2 = 2.375*150^2 d =231.17 m.
Saturday, December 3, 2011 at 1:59pm by algebra

Algebra
Add and simplify: 2/x^2-16 + 3/x^2 -2x-8 Now if the numerator of your answer equals 6, what does x equal? My answer of 5x+16/(x-4)(x+4)(x+2) does not match theirs. The correct answer is -2. I don't know how they got there.
Thursday, May 5, 2011 at 12:48am by Algebra

algebra
I did that wrong c=2d for d the solution is d= c /2 Correct
Friday, September 11, 2009 at 9:51pm by algebra

Algebra
X^2=14X+5X I got Lost and on this one -2X(X+7) - (X+7) I need to factor these problems
Sunday, December 7, 2008 at 10:01pm by Algebra

math
please solve this for me.. i feel as if i am doing this wrong.. (1000/s-120)- (1000/s) = 1/2
Monday, September 21, 2009 at 6:21pm by algebra

Math
how do i factor 8X^2+10X-3 I know the answer is (4X-1)(2X+3) I just guessed and checked not sure about thorught process thats suppose to go trough my head here when dealing with a number before X^2 please tell me cuz i can get the answer by guessing but that takes to long
Sunday, December 7, 2008 at 9:07pm by Algebra

math
Sketch the graphs of f(x) = x^2 and g(x) = 2x. Find a number a between 0 and 2 so that when the region between the graphs of f and g for 0 <= x <= a is revolved about the y-axis, the volume of the solid produced is 7pia3/12 . Please show all work
Monday, December 31, 2012 at 3:20pm by algebra

math
Sketch the graphs of f(x) = x^2 and g(x) = 2x. Find a number a between 0 and 2 so that when the region between the graphs of f and g for 0 <= x <= a is revolved about the y-axis, the volume of the solid produced is 7pia3/12 . Please show all work
Monday, December 3, 2012 at 6:17pm by algebra

meg
find the real solutions x= y^2 - 9 x-4y-12= 0 I got x= -3 and y= 7 and x= 40 but how do i know what x to use and whats the ordered pair? I'm confused! help please!
Sunday, April 6, 2008 at 1:31pm by algebra

math
Solve the following system using elimination. If a single solution exists, write the solution as an ordered pair. Your answer will be an ordered pair, no solution, or infinitely many solutions x-y=4 3x-5=2
Wednesday, May 2, 2012 at 2:45pm by ,algebra

math
Solve the following system using elimination. If a single solution exists, write the solution as an ordered pair. Your answer will be an ordered pair, no solution, or infinitely many solutions x-y=4 3x-5=2
Wednesday, May 2, 2012 at 3:20pm by ,algebra

Algebra
he spreadsheet shows the length of 3 movies in each of 3 categories. Choose the formula that could be used in cell B2. A B C D E 1 Type of Movie Movie 1 (min. long) Movie 2 (min. long) Movie 3 (min. long) Mean Length 2 Animated 72 63 84 73 3 Drama 92 104 113 103 4 Action 119...
Monday, October 15, 2012 at 6:51pm by Algebra

math
Anita and Maria went to the candy store. Maria bought 5 pieces of fudge and 3 pieces of bubble gum for a total of $5.70. Anita bought 2 pieces of fudge and 10 pieces of bubble gum for a total of $3.60. Determine the cost of 1 piece of bubble gum.
Wednesday, May 2, 2012 at 4:24pm by ,algebra

Algebra
can show me how to do this with out just squaring 3x^(1/2) - x - 6 = 0 how do i do this and solve for x with out just squareing and using quadratic formula. I was never taught the proof of the quadratic formula and would like to know how to do with without squareing and if ...
Wednesday, May 27, 2009 at 9:35am by Algebra

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 I can sit there for ...
Sunday, December 7, 2008 at 8:34pm by Algebra

math
The distance d when a spring is stretched by a hanging object varies directly as the weight w of the object. If the distance is 34 cm when the weight is 3 kg, what is the distance when the weight is 9 kg? 22. Find the variation constant and an equation of variation where y ...
Sunday, May 15, 2011 at 10:36pm by algebra

Math
A population of 250 frogs increases at an annual rate of 22%. a. Write an exponential function to model the population of frogs.
Sunday, March 27, 2011 at 11:42pm by Algebra 2. Help, PLEASE!

Math
b. Find the population of frogs after 5 years.
Sunday, March 27, 2011 at 11:42pm by Algebra 2. Help, PLEASE!

Math
A population of 250 frogs increases at an annual rate of 22%. a. Write an exponential function to model the population of frogs. b. Find the population of frogs after 5 years.
Sunday, March 27, 2011 at 11:44pm by Algebra 2. Help, PLEASE!

Algebra 2
It's 144
Monday, April 16, 2012 at 7:35pm by Algebra 2 student

algebra pre ap
6x=7y=2 8x+5y=20
Tuesday, October 2, 2012 at 7:44pm by oscar

algebra 2
because x is an input not an output and is not a function. Thanks hoped it helped.
Monday, August 27, 2007 at 7:52pm by algebra man

algebra 2
thats part of algebra 2 thats easy were doing that now in pre algebra
Wednesday, April 29, 2009 at 1:14pm by Tanisha

7th grade
what is the answer -14.88 - (-20.88?
Thursday, October 22, 2009 at 7:51pm by molly/pre algebra

ALGEBRA
The distance between (0, 0) and (0, 1) on a certain coordinate plane is 1cm. The distance between (0, 0) and (1, 0) on that same coordinate plane is 1cm. What is the distance between (0, 0) and (1, 1)? Explain your answer.
Wednesday, February 23, 2011 at 6:58pm by Ap

algebra
yes
Tuesday, October 21, 2008 at 8:33pm by anonymous 2

Algebra
Oven temperature will increase by 45 degrees fahenheit per minute. when the oven is turned on the temperature is 70 degrees farenheit. what will the temp. of the oven be after 7 minutes? write an expression & explain answer. Help please!
Sunday, September 27, 2009 at 11:04am by Anonymous 2

Algebra
monthly budget of $5,000 lABOR $1,835 what percentage of the monthly budget is spent on labor? Miscellaneous items 1,015 what percentage of the total monthly budget is spent on miscellaneous, Material 18% how much do material cost? Rent & Utilities 25% how much do rent& ...
Sunday, September 27, 2009 at 3:47pm by Anonymous 2

ALGEBRA
I also have an answer for this one. Just need to be sure. Says to solve then graph. x +9>2; x + 9 - 9> 2 - 9 x > - 7. I believe this means anything to the right of -7 could be a solution. I would graph this with an open circle at -7 and shade to the right of the ...
Thursday, November 4, 2010 at 4:35pm by Jessica 2

ALGEBRA
Thank you! I actually have another problem that i solved. For this one I need to use the multiplication principle. 7x (greater then or equal to symbol)-6. What I did was divide by 7x on both sides and came up with a decimal of 0.857. I would rather leave it in fraction form at...
Thursday, November 4, 2010 at 4:35pm by Jessica 2

ALGEBRA
perfect. Thank you again. :)
Thursday, November 4, 2010 at 4:35pm by Jessica 2

Algebra
Yayy! :) thanks
Thursday, November 4, 2010 at 4:32pm by Jessica 2

ALGEBRA
Hi. I have the answer and have worked this out. I just want to make sure I'm correct. I must solve using addition and multiplication principles. 8x + 2 -7x (greater then or equal to sign here) 14. I know I am to collect like terms first so, 1x+2 = 14; 1x+2-2(greater then or ...
Friday, November 5, 2010 at 5:51pm by Jessica 2

ALGEBRA
I have worked this problem out and just need confirmation. 15 + 2x - 5 = 130; 2x + 10 - 10 = 130 -10; 2x/2x = 120/2x; x = 60.
Friday, November 5, 2010 at 6:19pm by Jessica 2

ALGEBRA
SO SORRY. PLEASE DISREGARD THE FIRST PROBLEM. I DID NOT POST THE ORIGINAL MATH PROBLEM. THIS IS THE ORIGINAL MATH PROBLEM 5 (3+4X) -5 = 130; 15+20x -5 =130; 20x +10 = 130; 20x +10-10 = 130 -10 20x/20x = 120/20x x = 6 Thank you
Friday, November 5, 2010 at 6:19pm by Jessica 2

ALGEBRA
Thank you! I had thought something was wrong with the last step but could not figure it out. You were a great help!
Friday, November 5, 2010 at 6:19pm by Jessica 2

ALGEBRA
Hi. I have the answer and have worked this out. I just want to make sure I'm correct. I must solve using addition and multiplication principles. 8x + 2 -7x (greater then or equal to sign here) 14. I know I am to collect like terms first so, 1x+2 = 14; 1x+2-2(greater then or ...
Saturday, November 6, 2010 at 12:47pm by Jessica 2

ALGEBRA
thank you! :)
Saturday, November 6, 2010 at 12:47pm by Jessica 2

algebra 1
Marcos drove twice as far as Candice. Together, they drove 66 miles. Which equation can be used to find the number of miles Candice drove? A) 3x = 66 B) 2x+1/2x=66 C) 3x = 66 + x D) 3x=66-x
Thursday, February 3, 2011 at 1:46pm by AP

Algebra 2
In Kentucky, where i am from, we do algebra and algebra two before pre-cal and calculus. I didnt realize that the problem could be solved in multiple ways and i apologise. But the solution should be done without calculus.
Thursday, February 24, 2011 at 10:33pm by Anon

algebra 1A
why does the inequality sign change when both sides are multiplied or dived by a negative number? Does this happen with equations? why or why not? write an inequality & solve it use both the multiplication & addition properties of inequalities. Thnk you. I have no clue!
Monday, September 28, 2009 at 1:34pm by Anonymous 2

Abstract algebra
Prove that the cancellation law of multiplication is equivalent in a commutative ring to the assertion that the product of non-zero factors is not zero
Thursday, December 3, 2009 at 7:54am by Sunshine 2

Algebra One
Is this statement true (x + y)^2 = x^2 + y^2
Tuesday, September 22, 2009 at 7:24pm by Algebra One

Algebra
Find the discriminant and solutions for the following equations. #1) 9x^2+6x+1=0 #2) -2x^2+3x-2+0 I will be happy to critique your work. what is b^2-4ac? #1) 9^2-4(6)(1)= 81-4(6)= 81-24=57 so then 57 is the solution but what is the discriminant or is 57 the discriminant? #2) -...
Tuesday, May 15, 2007 at 2:13pm by Algebra Student

algebra 2 ap
Jason uses his car for his job. He is allowed to depreciate the car 7% per year. IF the car was worth $23,000 new, in about how many years will the car be worth $3,000?
Sunday, April 28, 2013 at 4:10am by Anna

algebra 2 ap
23000(.93)^n = 3000 .93^n = 3/23 log both sides log (.39^n) = log (3/23) n log .39 = log (3/23) n = log (3/23) / log .93 = appr 28 years Unrealistic question 1. Using a car for a job for 28 years 2. Such low level of depreciation.
Sunday, April 28, 2013 at 4:10am by Reiny

Algebra
Suppose that a polynomial function of degree 5 with rational coefficients has 0 (with multiplicity 2), 6, and –2 + 3i as zeros. Find the remaining zero. A. –6 B. –2 – 3i C. 0 D. 2 + 3i
Monday, November 22, 2010 at 6:19am by Algebra Q

Algebra One
Can I simplify this at all our expand it or something -2(14x)+2(7x) is it just really -18x + 14 x ?
Tuesday, September 22, 2009 at 7:47pm by Algebra One

ALGEBRA
How many ordered triples of complex numbers(a,b,c) are there such that a^3-b,b^3-c,c^3-a are rational numbers, and a^2(a^4+1)+b^2(b^4+1)+c^2(c^4+1)=2[{(a^3) b}+{(b^3)c}+{(c^3)a}]
Friday, October 11, 2013 at 10:54am by algebra,math

algebra- help needed fast
solve the system by addition method 7x^2+y^2=49 7x^2-y^2=49
Thursday, February 26, 2009 at 7:31am by Anonymous-2

Algebra
Find the vertex of the functions given below. 1. y=(x-4)(x+2) 2. y=2x^2-4x+1 The midpoint of the x-intercepts of a parabola has the same x value as the vertex. the x-intercepts are obviously x=4 and x=-2 so the x value of the vertex is...... sub that back into the equation to ...
Tuesday, May 8, 2007 at 1:22pm by Algebra student

Algebra
Can someone tell me if these problems have the right answers? I am tooooooo old to know this any more. I understand the first one, but 2&3 are vaguely familiar. 25x^2+25x+6=0 the answer is x=-1/2 +/- 1/10 #2 solve for V=1/3Bh for B answer is B=V/ 1/3h #3 Find equation of line...
Friday, March 21, 2008 at 7:20pm by Algebra Parent

algebra
30/45 = 5 into 30 = 6 and 5 into 45 = 9 which is 6/9 reduce to 2/3 I think is what it should be?????
Saturday, September 12, 2009 at 4:42pm by algebra yuck

Algebra -polynomial
Solve the polynomial 40x^2+2x-65 Notice that for x = 1 the value is -23. The number 23 is a prime number and the only factors are thus 23 and 1 up to signs. So, you can simply the search for the factors of the polynomial a great deal by substituting: x = 1 + t which yields 40 ...
Monday, May 7, 2007 at 8:28pm by Algebra Help

Math
1) Solve: 8x C (6x + 4) = 8 x = -2 2) -7x > 1/15 the solution set is: {x | x > -105} 3) Solve 5> -4x + 4 or 10 -4x +3 the solution to the inequality is: [-, -7/4] U [-1/4,] 4) Use < or > to make the statement true: -9 < 3 5) Graph the inequality on a ...
Wednesday, November 5, 2008 at 11:42am by Algebra HELP!!!

algebra
You must focus on using (Distributive Multiplication) You must take care of the Parenthesis 1st (PEMDAS) 1- 3/4(v+2) = -5 (3/4 x V = 3/4v ) (3/4 x 2 =1.5) 1- 3/4v + 1.5 = -5 Regroup 1+1.5= 2.5 2.5 -3/4v = -5 We must keep the variable on one side. We must subtract 2.5 from both...
Wednesday, October 1, 2008 at 8:27pm by Algebra Junkie

Algebra
#3 He has the m=9/9 slope the 6 and 5 are written m=6-(-3)/5-(-4), so he has a - sign where there should be a plus sign? He must be using the wrong formula, because at the beginning he has m=y2-y1/x2-x1. The numbers 2&1 are below the y and x. Hehas used the formula y=mx+b before.
Friday, March 21, 2008 at 7:20pm by Algebra Parent

Algebra
Please explain to me how to do these problems...Thanks 1. Find the value of x...x/6-x/8=1 2. The combined resistance of two resistors r1 and r2 in a parallel circuit is given by the formula rt= 1/(1/r1)+ (1/r2)...simplify the formula... 3. Fungicides account for 1/10 of the ...
Wednesday, May 23, 2007 at 1:09pm by Algebra Help

Math
Pre algebra
Thursday, August 12, 2010 at 10:09pm by Tremicula

SHAY
Pre- algebra
Wednesday, January 17, 2007 at 7:09pm by Anonymous

pre algebra 2
how do you make a guess and check table?
Monday, December 17, 2007 at 10:30pm by annonymous

pre algebra 2
you hate mr.chesley right?
Monday, December 17, 2007 at 10:30pm by annonymous

PRE-ALGEBRA PT.2
Solve the equation. –6 + 3x = –9 A. –1 B. –6 C. –5 D. –3 i got c. -5
Friday, April 6, 2012 at 4:36pm by nay nay

PRE-ALGEBRA PT.2
How did you get that answer ?? -6 + 3x = -9 3x = -9 + 6 3x = -3 x = -1
Friday, April 6, 2012 at 4:36pm by Reiny

PRE-ALGEBRA PT.2
12 + 0.35x = 20.05 A. 91.5 B. 57.3 C. 2.8175 D. 23 I GOT D
Friday, April 6, 2012 at 4:39pm by nay nay

PRE-ALGEBRA PT.2
I see what i did .. instead of switching the numbers i tried solving it just like it was
Friday, April 6, 2012 at 4:36pm by nay nay

PRE-ALGEBRA PT.2
Right.
Friday, April 6, 2012 at 4:39pm by Ms. Sue

pre-algebra 2
Twenty-five members of the eighth grade class at Park Center Middle School are going to a museum and then to lunch. Each student must pay an entrance fee to the museum and $7.25 for lunch. The total cost for the trip is $443.75. What is the entrance fee for one student? A. $10...
Friday, April 6, 2012 at 5:01pm by nay nay

pre-algebra 2
No. Please try again.
Friday, April 6, 2012 at 5:01pm by Ms. Sue

pre-algebra 2
i recalculated is it D.
Friday, April 6, 2012 at 5:01pm by nay nay

pre-algebra 2
Here's your first step: 443.75/25 = cost per student What is the next step?
Friday, April 6, 2012 at 5:01pm by Ms. Sue

pre-algebra 2
A is the correct answer.
Friday, April 6, 2012 at 5:01pm by Math Mom

pre-algebra 2
no the answer is 17.75
Friday, April 6, 2012 at 5:01pm by cheryl

Pre-Algebra 2
write a rule for the linear function in the table x 1, 2,3,4, f(x) -7, -10,-13,-16
Wednesday, April 11, 2012 at 4:59pm by tracy

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