Review--Solving Quadratic Equations

• 3

• 8

• -9

• -3

Tags

CCSS.HSA-REI.B.4B

To solve a quadratic by graphing is to find where the parabola crosses the x-axis. We call these the ___. Select all that apply.

• zeroes

• x-intercepts

• solutions

• roots

• (x+12)(x-3)

• (x+4)(x+9)

• (x-12)(x-3)

• (x-12)(x+3)

In factored form you can see the ______ of the graph easily.

• y-intercept

• vertex

• x-intercepts

Tags

CCSS.HSF-IF.C.7A

• A. x = 1 and x = 1/3

• B. x = 1 and x = 3

• C. x = -1 and 1/3

• D. x = 1 and -1

Tags

CCSS.HSA-REI.B.4B

How many roots does this parabola have? 

• 3
• 2
• 0
• 1

Tags

CCSS.HSF-IF.C.7A

What are the zeros of the function f(x) = x² + 64?

• -8 and 8
• -8i and 8i
• (-√8) i and (√8) i
• -√8  and √8

Tags

CCSS.HSN.CN.C.9

• -4, 2
• -2, 4
• -16
• -4

Tags

CCSS.HSA-REI.B.4B

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

Tags

CCSS.HSF-IF.C.7A

Find the zeros.

• 0 and 4
• 0 and -4
• 0
• -4

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A