1,067 Answered Questions for the topic Algebra Help

Algebra Help Algebra 2 Math Help

11/09/15

Let f(x)=x^2+2x-3 and let g(x)=2x-1. Then find f(a+3)
 Just an answer needed, thanks  
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Algebra Help

11/07/15

How we can check the answer when we factor?
How we can check the answer when we factor?
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11/04/15

area of triangle w/ algebra
how do you find the angle of a triangle with sides (6u-1) and (1u) and an area of 5cm^2 ?      there was a question like this in a test i did but i couldn't work out the answer.. help?
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11/03/15

velocity height vertex
If a football is kicked straight up with an initial velocity of 64 ft/sec from a height of 6 ft, then its height above the earth is a function of time given by h(t)=-16t^2+64t+6. What is the... more
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Algebra Help

11/03/15

Solve the following linear systems:
7x-y-3z=1 4x+5y+z=0 2x-y+2z=3
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Algebra Help Math Algebra 1 Algebra 2

10/30/15

How do find the roots for these functions?
A) f(x)=x^3+6x^2-7x   B) g(x)= 2x^3-250      
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Algebra Help

10/25/15

In 19 years, a father wants to accumulate $60,000 . How much should he invest to achieve his goal if he can get 6% interest, compounded continuously?
round to nearest cent
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10/25/15

Please Help :/ !!!!
So I have this question about an Alligator and it says k=T/B which stands for "tail length varies directly to its body length" and k=2.8/3.2 and it says it equals 7/8 and I don't understand how... more
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Algebra Help It's Not 14

10/22/15

if she gave away 3/5 or 21 brownies how many would she have left
Lauren brings brownies to class one day. She gives 3/5 of them to her friends. If she gave them 21 brownies, how many did she bring to the class.
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10/22/15

college algebra problem
Let M(x)=-x^3+8x^2-x+1. Find M(-1).  Simplify your answer.    help is appreciated, thank you!
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10/20/15

rationalize the denominator
Rationalize the denominator. 8/5-(squareroot)6= ___. Simplify your answer.     help is appreciated, thank you!      
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10/20/15

algebra help
Let M(x)=-x^3+8x^2-x+1. Find M(-1).  M(-1)=___.   help is appreciated, thank you!
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10/19/15

algebra help
Let P(x)=2x^2-5x+2. Then P(-3)=__.   please help, thank you!
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Algebra Help

10/18/15

if (ab)^2 =a^2 b^2 , does (a+b)^2= a^2+b^2 ? Why or why not?
if (ab)^2 =a^2 b^2 , does (a+b)^2= a^2+b^2 ? Why or why not?
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Algebra Help

10/18/15

If x=2 and y=-12 solve the equation 2xsquared -6xy+ysquared
I wasn't sure how to use an exponent so I wrote squared. I remember PEMDAS but still can't seem to get this right. Please explain! Thank you!
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Algebra Help

10/18/15

A pharmacist has a 40% acid solution and a 25% acid solution. How many liters of each must be mixed to from 144 liters of a 27% acid solution?
A pharmacist has a 40% acid solution and a 25% acid solution. How many liters of each must be mixed to from 144 liters of a 27% acid solution?
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10/17/15

Quadratic Formula
2x^2 + 4x + 4 = 0
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10/15/15

What are the rules for these functions?
Function 1: (0,1) (1,3) (2,9) (3,27), (4,81) Function 2; (0,1) (1,0.5) (2,0.25) (3,0.125) (4, 0.0625) Function 3: (0,-2) (1,-1) (2,2) (3,7)
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10/13/15

inverse formula
Find a formula for the inverse.  f(x)=7x+2/5x+9  f^-1(x)=__.  help is greatly appreciated!
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10/13/15

find the domain
Let f={(-3,0),(1,-1) and g={(-3,-5),(2,-1),(-4,-3)}.  Find f times g and its domain.  What is the domain?  help is greatly appreciated!
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10/13/15

solution set
3z^2-5z-1=0 The solution set is ___.  help is greatly appreciated!
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Algebra Help

10/12/15

How do i work this math problem: y=1/2x-4;(2, ),( ,-7)
I am new to Algebra and do not know how to work this math problem:  y=1/2x-4;(2, ),( ,-7) Thank you for your help!
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10/12/15

college algebra help
Let g(x)=2x+5. Find x if g(x)=11.  The value of x is __ if g(x)=11. (Type an integer or a fraction.) 
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10/12/15

college algebra help
Let M(x)=-x^3+5x^2-2x+1. Find M(-2).  M(-2)=___. (Simplify your answer.)
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10/12/15

college algebra help
Let p(x)=2x^2-2x+4. Then p(-1)=___. 
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