Chapter 9 Review - Quadratic Functions

Does the graph in the background have a maximum or minimum value?

• maximum

• minimum

• neither

• both

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry for the following equation?
y=4x²-8x+9

• x=-8
• x=1
• x=-1
• x=2

Tags

CCSS.HSA.REI.B.4

What is the y-intercept for the equation:
y = -8x² + 3x - 7

• (0, -8)

• (0, 3)

• (0, 7)

• (0, -7)

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What are the x-intercepts of the function f(x) = (x - 2)(x + 3)?

• x = -2 or x = 3

• x = 2 or x = -3

• There are no real roots

• x = 2 or x = 3

Tags

CCSS.HSF-IF.C.7C

Complete the square for
x² + 12x + ____

• x² + 12x + 144
• x² + 12x + 36
• x² + 12x - 36
• x² + +12x - 144

Tags

CCSS.HSA-REI.B.4B

Solve:
2x² - 9x = 35

• x = 7/2, x = -6

• x = -5/2, x = 5

• x = -3/7, x = 6

• x = -5/2, x = 7

Tags

CCSS.HSA-REI.B.4B

Solve:
4x² = -4x - 1

• x = -½

• x = -2

• x = 0

Tags

CCSS.HSA-REI.B.4B

Find the missing value "c" to create a perfect square trinomial:
x² - 8x + ___

• -4

• 16

• 4

• 8

Tags

CCSS.HSA-REI.B.4B

Solve the equation (x + 3)^2 = 49.

• x = -7, 7

• x = 4, -10

• x = -4 +- √7

• x = 10, -4

Tags

CCSS.HSA-REI.B.4B

A parabola has a vertex at (-3,2). Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2