Exponent Rules Quiz

What is  $x^0$  ?

• 0

• x

• 1

• undefined

Tags

CCSS.8.EE.A.1

What is  $a^1$  ?

Tags

CCSS.8.EE.A.1

Rewrite the expression $x^{-2}y^3$   with no negative exponents.

•  $x^2y^3$  

•  $\frac{x^2}{y^3}$  

•  $\frac{-2}{xy^3}$  

•  $\frac{y^3}{x^2}$  

Tags

CCSS.8.EE.A.1

Check all of the boxes that are equivalent to the expression  $\left(\frac{a^{-2}}{2b^5}\right)^{-1}$  

•  $\frac{2b^5}{a^{-2}}$  

•  $2a^2b^5$  

•  $\frac{-2}{a^2b^5}$  

•  $\frac{a^2}{\left(2b^5\right)^{-1}}$  

Tags

CCSS.8.EE.A.1

 $x^{-2}\left(x^5+x^2\right)$  

Simplify the expression completely.

•  $x^3-1$  

•  $x^3+1$  

•  $x^3+x$  

•  $x^3-x$  

Simplify the expression $\frac{3rs^{-1}}{15r^{-2}s^3}$  
completely to contain only positive exponents.

•  $\frac{r^3}{5s^4}$  

•  $5r^3s^4$  

•  $\frac{r^3s^4}{5}$  

•  $\frac{3r^3}{5s^4}$  

Tags

CCSS.8.EE.A.1

The expression $x^{\frac{3}{2}}$  is a _____________.
(Fill in the blank with the appropriate word below).

• square root

• cube root

• fraction

Select all of the following that are UNDEFINED.

• $x^{-\frac{2}{5}}$

• $\left(-4x^2\right)^{\frac{1}{2}}$

• $-x^{\frac{3}{2}}$

• $\left(-27\right)^{\frac{1}{3}}$

• $\left(-2\right)^{\frac{1}{2}}$

Which of the following is equivalent to the expression $\left[\sqrt{16x^5y^6}\right]^{-1}$  ?

•  $-\frac{1}{16x^{\frac{5}{2}}y^6}$  

•  $\frac{1}{4x^{\frac{5}{2}}y^3}$  

•  $8x^5y^3$  

•  $4x^{\frac{5}{2}}y^3$  

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