Friday
December 19, 2014

Homework Help: College Algebra

Posted by Krissy on Tuesday, January 15, 2013 at 9:35am.

I have a few more questions that I'm not understanding. Its multiple choice however I would appreciate a breakdown on how to solve.

4.Simplify the compound rational expression. Use either method. 1+(5/y-10)/y+(25/y-10)

a. 1/y-5
b. 1/y+5
c. 6/y+25
d. 1/y+1/5


5.Simplify the compound rational expression. Use either method. (2/a-1/3)/(4/a^2-1/9)

a. A+3/3
b. A-3/3
c. 3A/6+A
d. 3a/6-a




7.Use the properties of exponents to simplify the expression. Write the answer using positive exponents only
-4x^0+(-4x)^0

a. 0
b. -8
c. -2
d. -3

8.Evaluate (2x-4y)^2 given x=3 and y=-1.
a. 100
b. 20
c. 4
d. -4

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