Quadratic Functions

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

Find the vertex of 
f(x) = -x² - 4x + 12

• (-2, 16)
• (2, 0)
• (2, 4)
• (-2, 4)

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What direction is the following equation opening?
y=-3x²-7x+8

• Up
• Down
• Left
• Right

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Find the y-intercept of
f(x) = 2x²-2x + 1

• 2
• -2
• 1
• -1

Tags

CCSS.HSA.REI.B.4

Use the graph to determine the solutions.

• -1 and -3
• 1 and -3
• 1 and 3
• -1 and 3

Tags

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

Solve by factoring

• -6, -2
• -2, 6
• 2, 6
• -6, 2

Solve by taking square roots

• ±23.25
• ±5
• ±25
• No real solution

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.4

Solve

• -4, 2

• -2, 4

• -16

• -4

x²-11x+19=-5 Solve

• x=-5/4,-1

• x=8,10

• x=3,8

• x=2,12

Find the vertex of 
f(x) = -x² - 4x + 12

• (-2, 16)
• (2, 0)
• (2, 4)
• (-2, 4)