Alg 1: Calculating and comparing square roots

Alg 1: Calculating and comparing square roots

Lesson 13

Multiple Choice

The number that tells us how many times the base of a power is used as a factor is called the

• exponent

• variable

Multiple Choice

 $a^3\cdot x^4\cdot x^8\cdot a^4\cdot z^4=$  

•  $a^{12}x^{32}z^4$  

•  $a^7x^{12}z^4$  

•  $axz^{23}$  

•  $\left(axz\right)^{23}$  

Multiple Choice

In the expression  $7\sqrt{21}-4$  , which number is the radicand? 

• 4

• 7

• 21

Multiple Choice

Is the radicand in   $\sqrt{225}$  a perfect square? 

• Yes

• No

Multiple Choice

Is the radicand in  $\sqrt{20}$  a perfect square? 

• Yes

• No

Multiple Choice

Compare:  $\sqrt{16}+\sqrt{441}$  _______ $\sqrt{81}+\sqrt{361}$  

• >

• <

• =