Review: Solving Quadratics: Graphing, Factoring & Square Roots

What are the zeros?

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

Tags

CCSS.HSF-IF.C.7A

Find the zeros.

• b=4/5, b=3

• b=4, b=-3

• b=1/5, b=3

• b=4/5, b=-3

Find the zeros using the square root method.

• ±81

• ±9

• ±3

• No real solution

Solve using square root method.

• ±23.25

• ±5

• ±25

• No real solution

Find the roots by factoring.

• -4, 2

• -2, 4

• -16

• -4

Solve by factoring.

x² = -35 + 12x

• x = 5 and 7

• x = -5 and -7

• x = -5 and 7

• x = 5 and -7

Solve
(x-5)² = 25

• ±0
• ±10
• 10, 0
• -10, 0

Tags

CCSS.HSA-REI.B.4B

Find the roots by factoring 3x²-8x+4=0.

• x= {4/3,1}

• x= {2/3,2}

• x= {-1,-4/3}

• x = {-2,-2/3}

How many solutions does this graph have?

• one
• two
• no real solutions
• cannot be determined

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.C.7

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

Find the x-intercepts by factoring. 7x² - 28x = 0

• x = 4, x = 7

• x = 0, x = 4

• x = 0, x = -4

• x = -4, x = -7