Review for Unit 7

Simplify the following radical: √24

• 2√6
• 4√6
• 2√12
• 3√8

Simplify the following radical: √300

• 3√10
• 2√150
• 100√3
• 10√3

Simplify the following radical: √243

• 81√3
• 3√3
• 13√3
• 9√3

(4x+1)(5x−2)

• 20x² + 3x − 2
• 20x² − 11x + 5
• 20x² − 18x + 2
• 20x² − 3x − 2

Tags

CCSS.HSA.APR.A.1

(x + 3)(x + 7)

• x² + 10x + 21
• x² + 21
• x² + 4x + 21
• x² − 10x + 21

Tags

CCSS.HSA.APR.A.1

What  are the solutions of this graph?

• -2 and 3
• -1/2 and -6
• -2 and -6
• 3 and -6

Which of the following represents the solutions to the equation:  
3x² + 4x – 20 = 0?

• 0 and -20
• 3.33 and -2
• -3.33 and 2
• -0.67 and -21.33

Tags

CCSS.HSA-REI.B.4B

What are the solutions?

• 0 and 8
• -2 and -4
• 3 and -1
• 2 and 4

The two solutions to y= 2x² - x - 3 are...

• 1 and 1.5
• -1 and 1.5
• -1 and -1.5
• 1 and -1.5

Tags

CCSS.HSA-REI.B.4B

Solve 2x² + 21 = -17x

• x= ^-21/₂, -17
• x= ²/₃, 16
• x=-7, ^-3/₂
• x=15, -³/₇

Tags

CCSS.HSA-REI.B.4B