Quadratic Functions

What is the vertex?

• -1
• -3
• (-3, -1)
• (-1, -3)

Tags

CCSS.HSF-IF.C.7A

What is the domain?

• -4<x<-2
• All Real Numbers
• -6<x<0
• y≥-1

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the range?

• y≥-3
• y≥-1
• All real numbers
• y≤-1

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Joe Mauer hits a fly ball.  You can track the height of the ball using the equation:   h(t) = -16t² + 140t + 2  
What was the starting
                        height of the ball?                                                                                      

• -16 feet
• 140 feet
• 2 feet
• 0 feet

What are the x-intercepts?

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

Tags

CCSS.HSF-IF.C.7A

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

• 2
• -2
• 1
• -1

What piece of information does c identify in the following equation?
y=ax²+bx+c

• Zeroes
• Axis of Symmetry
• Direction
• y-intercept

Does
y = -4x²
have a maximum or minimum value?

• maximum
• minimum

Tags

CCSS.HSF-IF.C.7A

Use the graph to determine the solutions.

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

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

• y = -2
• x = 3
• x = -3
• y = 2