Quadratic Functions (1 minute)

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• x= 0 and x = -2

• x= 2 and x = -2

Tags

CCSS.HSF-IF.C.7A

Find the axis of symmetry for

f(x) = x^{2 _} 8x + 15.

• x = -4

• x = 4

• y = 4

• y = -4

How many zeros does this graph have?

• one

• two

• none

• cannot be determined

Tags

CCSS.HSF-IF.C.7A

Does this graph have maximum or minimum value?

• maximum

• minimum

• neither

• both

Tags

CCSS.HSF-IF.C.7A

What is another word for zeros?

• y-intercepts
• roots
• vertex
• axis of symmetry

What does "a" control in a graph of f(x) = ax² + bx+ c?

• If it opens upward or downward

• Where the graph crosses the x-axis

• where the Y-intercept is located

• If the graph is a line or parabola

What does this equation represent?

y = x²

• vertex form

• a transformation

• parent

• minimum value

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

• x=-8
• x=1
• x=-1
• x=2

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 range of this function?

• $y\ge1$

• y is greater than or equal to -2

• $y\le-2$

• all real numbers

Tags

CCSS.HSF-IF.C.7A