Solve Quadratic Equations - Zeros & Formula (Due 4/21)

What is the quadratic formula?

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• 
• 
• 

What are the zeros of this graph?

• x = {-4, 2}

• (-4, 0 ) and (2, 0)

• x = {-1, 0}

• (-1, 9 ) and (0, -8)

Tags

CCSS.HSF-IF.C.7A

Which value is the y-intercept?

• (-4, 0)

• (-1, -9)

• (0, -8)

• (2, 0)

Tags

CCSS.HSF-IF.C.7A

Does this graph have a maximum or a minimum?

• maximum

• minimum

• I am not sure.

• neither

Tags

CCSS.HSF-IF.C.7A

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3

• a = 4, b = -8, c = 3
• a = 4, b =-8, c =-3
• a = 4, b = 8, c = 3
• a = 4, b = 8, c = -3

Tags

CCSS.HSA.REI.B.4

Identify the 'c' value: y = 16x² -8x -24

• 16
• -8
• 8
• -24

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.1

The quadratic equation can be used to solve quadratic equations that cannot be factored.

• True
• False

Tags

CCSS.HSA-REI.B.4B

 $b^2-4b+4=0$  

• x = -2

• x = 2

• no real solution

• x = -2 and 2

Tags

CCSS.HSA-REI.B.4B

 $m^2-5m-14=0$  

• x = 7 and -2

• x = 7 and 2

• x = -7 and -2

• x = -7 and 2

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Solutions of a quadratic equation are also called

• roots

• x-intercepts

• zeros

• All of the above

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4