1. x^ - 5 = 1/^5, what law is applied?

A.Negative exponent

B.Power of power

C.Product law

D.Quotient law

2. Use the power rule to simplify the expression. (-4x^3y^7z)^2

A6x^6y^14z^2

B.-4x^5y^9z

C.8x^6y^14z^2

D.16x^6y^14z^2

3.What is the sum of 3x^2 + 1 and 7x^2 + 8?

A.4x^2 – 7

B.4x^2 – 7

C.0x^2 + 9

D.21x^4 + 8

4.What is the difference between 8k3 + 6k – 7 and 4k3 – 2k + 3?

A.4k^3 + 4k – 4

B.4k^3 + 8k – 10

C.12k^3 + 4k – 4

D.12k^3– 8k – 10

5.Evaluate the expression 9x2 + 1, when x = 7.

A.32

B.64

C.127

D.442

6.Find the product of (-5b)(8b^3)(-2b^2).

A.-80b^6

B.-15b^5

C.5b^6

D.80b^6

7.Multiply: (m+1)^2.

A.m^2+m+1

B.m^2+2m+1

C.- m^2+2m+1

D.m^2+ 2m+1

8.Find the quotient of 25x^4÷5x^2.

A.5x

B.5x^2

C.5x^6

D.20x^2

9.What are the factors of x^2 – 16?

a.(x+4 )(x-4)

B.(x-4 )(x-4)

C.(x+4 )(x+4)

D.(x-4 )(x+4)

10. What is the quotient of x^2 + 2x – 15 by x -3?

A.(x + 5)

B.(x - 5)

C.(x - 4)

D.(x + 4)