Homework Quiz 6/29

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

• Up
• Down
• Left
• Right

Tags

CCSS.HSF-IF.C.7A

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

• (0, -8)
• (0, 3)
• (-8, -7)
• (0, -7)

Tags

CCSS.HSF-IF.C.7A

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

• y = -2
• x = 3
• x = -3
• y = 2

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

• x=-8
• x=1
• x=-1
• x=2

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

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

What is the axis of symmetry for the following equation? (hint: x = -b/2a)
y=4x²-8x+9

• x=-8
• x=1
• x=-1
• x=4

What are the x-intercepts?

• 0 and 2
• -4 and 0
• 2 and 3
• 0 and 4

Tags

CCSS.HSF-IF.C.7A

The axis of symmetry of this parabola is...

• y = 4
• y = -4
• x = 4
• x = -4

Tags

CCSS.HSF-IF.C.7A

Evaluate f(-2) when f(x)=x²+x-12

• -10
• 25
• -32

Tags

CCSS.HSF.IF.A.2

Evaluate f(0) when f(x)=x²+x-12

• -12
• 9
• -16

Tags

CCSS.HSF.IF.A.2