ITCA Pop-Quiz (Radical Expressions)

• 25

• -5

• 5

• 15

Find the two square roots of the number; 16

• 4, -4

• 16, -16

• 2, -2

• 8, -8

 $9^2=18$  True or false?

• True

• False

Identify the set that contains only perfect squares.

• 16, 25, 36, 49, 64

• 16, 25, 36, 50, 64

• 16, 24, 36, 49, 64

• 15, 25, 35, 45, 55

Which number is both a perfect square and a perfect cube?

• 64

• 27

• 81

• 16

A perfect square is​ the​ (a)   of an integer and itself.

• product
• sum
• difference
• quotient

Simplify √40

• 4√10
• 10√4
• 2√10
• 10√2

Simplify    $\sqrt{81x^2}$  

•  $8x\sqrt{x}$  

•  $9x$  

•  $8x\sqrt{x}$  

•  $2x^2\sqrt{9}$  

Like radicals are radical expressions with the same________ and the same___________.

• coefficient and degree (index)

• degree and radicand

• coefficient and radicand

• Vatican and Rome