Quadratic Functions

What are the zeros to the graphed function?

Use the graph to determine what is the vertex.

Use the graph to determine what is the concavity.

Solve by factoring: x² = 7x + 18

• -7 and -18

• 9 and 2

• 9 and -2

• 2 and 7

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

Solve:  x² - 81 = 0 

• 9
• 9, -9
• 3, -3, 9, -9
• None of the above

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

Solve for x:

(x + 6)² = 49

• x=7,12

• x=±7

• x=1,-13

• x=43,-55

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4