Quadratic Functions and Graphing

A parabola has a vertex at (-3,2).

Where is the axis of symmetry?

• y = -2

• x = 2

• x = -3

• y = -3

What piece of information does h identify in the following equation?
y=a(x-h)²+k

• y value of the vertex

• Axis of Symmetry

• Direction (facing up or down)

• x-intercept

If given the equation y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)

• (-5, -4)

• (-15, -4)

• (15, -4)

Which equations matches the graph above?

Tags

CCSS.HSF-IF.C.7A

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Tags

CCSS.HSF-IF.C.7A

Does the graph of -2(x + 5)² + 2 have a minimum or a maximum?

• Minimum

• Maximum

• It has neither.

• It has both.

Tags

CCSS.HSF-IF.C.7A

When x² is changed to x² -3, the graph

• Shifts left 3 units.

• Shifts right 3 units

• shifts up 3 units.

• Shifts down 3 units.

Which of the following is a transformation of the graph y = 3x².

• Shifts up 3.

• Shifts left 3.

• Vertical stretch by a factor of 3.

• Shifts right 3.

Which of the following is a transformation of the graph y = x² + 4 ?

• Shifts left 4.

• Shifts right 4.

• Shifts up 4.

• Shifts down 4.

Which of the following is a transformation of the graph y = (x - 5)² ? 

• Shifts right 5.

• Shifts left 5.

• Shifts up 5.

• Shifts down 5.