Chapter 9 review

Use the graph to determine the solutions.

• -1 and -3
• 1 and -3
• 1 and 3
• -1 and 3

How many solutions does the function have?

• A

  No Real Solutions

• B

  One Real Solution

• C

  Two Real Solutions

• D

  Four Real Solutions

Solve by factoring:  2x²+ 7x + 6 = 0

• x= 3/2 and x = 2
• x = -3/2 and x = -2
• x = 6 and x = 7
• x = -6 and x = -7

Tags

CCSS.HSA-REI.B.4B

Solve for x:

(x-5)(x+6)=0

• {5,5 }

• { -5,-5 }

• { -5,-6 }

• {5,-6 }

Tags

CCSS.HSA-REI.B.4B

What should you do first in solving this equation?
x² + 6x - 13 = 3

• Get factored form
• Find two numbers which add to make 6 and multiply to make -13
• Make it equal 0 by subtracting 3 on each side
• Type it all in a calculator.

Tags

CCSS.HSA-REI.B.4B

Solve by factoring

x²+12x+35=0

• x = -5 or x = -7

• x = 5 or x = 7

• x = -35 or x = -1

• x = -9 or x = -4

Tags

CCSS.HSA-REI.B.4B

Simplify √40

• 4√10
• 10√4
• 2√10
• 10√2

Simplify completely.

• 8√3xy

• y√24xy

• 8y√3xy

• 8√24x

2√18a⁶b²

• 3a³b√2
• 6a³b²√2
• 6a³b√2
• 2a³b√2

Tags

CCSS.HSN.RN.A.2

2x²= 30

• x= √5
• x= √30
• x= √15
• x= ±5

Tags

CCSS.8.EE.A.2