Topic 7 Quiz Review

Fill in the blank.

Negative Exponent Rule:

Negative exponents in the numerator get moved to the denominator and become ______________ exponents.

• even

• negative

• positive

• odd

Tags

CCSS.8.EE.A.1

Simplify the expression.

 $7rw^4\cdot9r^5w^2$  

•  $63r^4w^2$  

•  $63r^6w^6$  

•  $63r^5w^6$  

•  $63r^5r^8$  

Tags

CCSS.HSA.APR.A.1

Simplify the expression.

 $\frac{ds}{7d^6s^2}$  

•  $\frac{1}{7d^5s}$  

•  $\frac{1}{7d^7s^3}$  

•  $\frac{1}{7d^6s^2}$  

•  $\frac{ds}{7d^5s}$  

Tags

CCSS.HSA.APR.A.1

Fill in the blank.

Division Rule

To divide two exponents with the same base, you keep the base and _____________ the powers.

• add

• subtract

• multiply

• divide

Tags

CCSS.8.EE.A.1

Simplify the expression.

 $\left(4c^2\cdot2c\right)^2$  

•  $8c^5$  

•  $64c^4$  

•  $64c^6$  

•  $64c^5$  

Simplify the expression.

 $\left(5x\right)\left(3x^2\right)\left(2x^2\right)^0$  

•  $30x^5$  

•  $15x^3$  

•  $15x^2$  

•  $1$  

Simplify the expression.

 $\left(\frac{3z^2}{z^2}\right)^2$  

•  $9$  

•  $\frac{9z^4}{z^4}$  

•  $\frac{3z^4}{z^4}$  

•  $3$  

Fill in the blank.

Multiplication Rule

To multiply two exponents with the same base, you keep the base and ________ the powers.

• divide

• multiply

• subtract

• add

Tags

CCSS.8.EE.A.1

Simplify the expression.

 $\left(\frac{4x^4}{x^2}\right)^{\frac{1}{2}}$  

•  $4x$  

•  $2x$  

•  $4x^2$  

•  $2x^2$  

Tags

CCSS.8.EE.A.2

Simplify the expression.

 $\left(\frac{4x^2}{9x^4}\right)^{\frac{1}{2}}$  

•  $\frac{4}{9x}$  

•  $\frac{2}{3x^2}$  

•  $\frac{4}{9x^2}$  

•  $\frac{2}{3x}$  

Tags

CCSS.8.EE.A.2