Intro to Pythag

What is the opposite of squaring a number?

• divide
• multiply 
• fractions
• square root

Tags

CCSS.8.EE.A.2

What do we call this symbol $\sqrt{x}$  ? 

• radicand

• radical symbol

• cube root

• index

To find the square root of a number, you must divide it by 2.

• True
• False

Tags

CCSS.8.EE.A.2

A perfect square is a number whose square root is ___________.

• Even
• irrational
• Rational
• Odd

Tags

CCSS.8.EE.A.2

An imperfect square is a number whose square root is ___________.

• Even
• irrational
• Rational
• Odd

Tags

CCSS.8.NS.A.1

What is the square root of 289?

• 17

• 16

• 15

• 18

Evaluate $\sqrt{144}$  

• 4

• 12

• 16

• 32

What is the value of $\sqrt{0.81}$  

• 9

• .09

• .9

• Not Possible

Evaluate:   $\frac{\sqrt{25}}{\sqrt{64}}$ 

•  $\frac{5}{8}$  

•  $\frac{\sqrt{5}}{\sqrt{8}}$  

•  $\frac{\sqrt{5}}{8}$  

•  $\frac{5}{\sqrt{8}}$  

What is the value of $-\sqrt{36}$  ?

• -6

•  6 

• 18

• Not Real