Question

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Answer 1

1. What is the simplified form of x^4-81/x+3
a. x^3-3x^2+9x-27<--
b.(x^2+9)(x^2-9)
c. x^3+3x^2+9x+27
d. x^3+3x^2-9x-27


2. What is simplified form of (x^2yz)^2(xy^2z^2)/ (xyz)^2
a. (xyz)^2(xyz)/ x
b. 1/(xyz)^2
c.x^3y^2z^2
d. x^4y^4z

3. What is the excluded value of the rational expression. 2x+6/4x-8
a. -3
b.-2.
c 0
d. 2<--


4. What is the simplified form of x^2-25/x^2-3x-10
a. x-3/x-5
b.(x-5)(x+5)/(x+3)*(x-3)
c. x+5/x+2<---
d. x-5/x+2