Squares, Square Roots, Real Numbers Check in

A rational number can be written as a fraction.

• True

• False

Which statement is true?

• Every rational number is an integer.

• Every whole number is an irrational number.

• Every integer is a whole number.

• Every whole number is a rational number.

Which of the following is NOT a perfect square?

• 16

• 144

• 32

• 49

 $\pi$  (pi) is a(n)...

• rational number

• imaginary number

• irrational number

• not real number

 $\sqrt{49}$  

• 4.9

• 7

• -7

•  $\text{ }\frac{\text{1}}{\text{49}}$  

 $100^2\ =\ _{ }$  

• 100 x 100

• 1000

• 10,000

• 100 x 2

Which of the following is both real and irrational?

• - 3.4

• $-\sqrt{81}$

• 6.58585858...

• 29.235235874689328