4B MCAP Review #2

Which number is irrational?

• 9.6
• √45
• 3/8
• 3.4 x 10⁵

Leona is so excited. Her grandma is ordering a cubic hot tub that has a volume of 216 ft³. Her grandma needs to know how long each side is to order trim. What is the length of each side?

• 4 feet

• 6 feet

• 8 feet

• 108 feet

A square poster has an area of 81 square inches. What is the length of each side of the square?

• 3 inches

• 9 inches

• 20.25 inches

• 40.5 inches

Irrational numbers...

• are non-repeating

• are non-terminating and non-repeating decimals

• can sometimes be perfect squares

• are non-terminating

What are the zeros?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

• -2, 4
• -8
• ±8
• No real solution

Find the zeros of this quadratic.

• b=4/5, b=3
• b=4, b=-3
• b=1/5, b=3
• b=4/5, b=-3

What is another word for zeros?

• y-intercepts
• roots
• vertex
• axis of symmetry

How many zeros does this parabola have? 

• 3
• 2
• 0
• 1

Solve
4m² - 100 = 0

• m=25, -25
• m=96
• m=5, -5
• m=-96