Review Quadratics

What is the y-intercept of the equation

y = 2x²+8x+3

• (0,3)

• (3,0)

• (0,2)

• y=8

Tags

CCSS.HSF-IF.C.7A

Where is the AoS (Axis of Symmetry) for

y = -2x²+4x+2

• x = 2

• x = 1

• x = -1

• x = 4

Tags

CCSS.HSA.REI.B.4

Where is the AoS (Axis of Symmetry) for

y = 4x²+4

• x = 0

• x = 1

• x = -1

• x = 4

Tags

CCSS.HSA.REI.B.4

Find the vertex of the quadratic:
y = -2x² + 4x + 3

• (0, 3)
• (-1, 5)
• (1, 5)
• (1, -5)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the vertex of the graph?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

Tags

CCSS.HSF-IF.C.7A

How does the parabola open? y = 4x - x² - 1

• up

• down

• left

• right

Tags

CCSS.HSF-IF.C.7A

What does

x=-b/2a find?

• vertex

• y-intercept

• slope

• axis of symmetry

Tags

CCSS.HSA.SSE.A.1

What is the vertex of the function

y = x² - 2x

• (1, -2)

• (1, -1)

• (-2, 1)

• (0, 0)

Tags

CCSS.HSA.SSE.A.1

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSA.CED.A.2

Use the quadratic formula to solve 2x² + 2x - 12?

• -2, 3
• 2, 3
• 2, -3
• -2, -3

Tags

CCSS.HSA-REI.B.4B

How many solutions are there if the discriminant is positive.

• 0
• 1
• 2
• Infinite

Tags

CCSS.HSA-REI.B.4B