Do Now 10/5

 $-\sqrt{225}$  

• 15

• -225

• -15

• 225

True or False?

If a number cannot be written as a fraction, then it is an irrational number.

• True

• False

Select the number that lies between -10 and -11

• $-\sqrt{10.8}$

• $-\sqrt{100}$

• $-\sqrt{103}$

• $-\sqrt{121}$

Which of the following real numbers is NOT a rational number?

• $\sqrt{25}$

• $-\sqrt{36}$

• $4.121212$

• $\sqrt{40}$

Evaluate the expression if v=4 and w=3.

vw=?

• 7

• 12

• 64

• 4/3

Evaluate the expression for w=1 and x=7.

w²x-14=?

• 0

• -7

• -6

• -21