Alg. 1 9-1

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9-1 Graphing

Quadratic Functions

And here your subtitle.

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What is a Parabola?

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Learning Target and Success Criteria

Learning Target

Success Criteria

❏

I can analyze the characteristics of
graphs of quadratic functions

❏

Graph quadratic functions

❏

I will determine the direction of
the parabola, the axis of
symmetry, vertex and
y-intercept

❏

I will use these points and
properties to graph the
parabola

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Multiple Choice

Does the equation open up or down? 
Y = -3x² +7x - 2

• up

• down

• Neither; it opens to the right.

• Neither; it opens to the left.

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Multiple Choice

What are the zeros of the parabola? 

• 1, 5

• 3, -5 

• 3, 0

• -6, 1

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Multiple Choice

Where is the axis of symmetry for this parabola?

• x = −1

• x = 0

• y = 3

• x = −3

Multiple Choice

What is the equation for axis of symmetry?

• y = 3

• x = 3

• x = 5

• x = 1

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Multiple Choice

What is the vertex of this parabola?

• (−1, 3)

• (−3, 11)

• (−2, 5)

• (0, 5)

Multiple Choice

Which is the vertex of y = x²+ 16x + 71 ?

• V(-8, 7)

• V(-8, 3)

• V(8, 10)

• V(16, -2)

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Multiple Choice

Find the y-intercept y = x² - 6x + 5

• (0, 8)

• (0, - 6)

• (5, 0)

• (0, 5)

Multiple Choice

What is the y-intercept of this parabola?

• (−1, 3)

• (−3, 11)

• (−2, 5)

• (0, 5)

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Learning Target and Success Criteria

Learning Target

Success Criteria

❏

I can analyze the characteristics of
graphs of quadratic functions

❏

Graph quadratic functions

❏

I will determine the direction of
the parabola, the axis of
symmetry, vertex and
y-intercept

❏

I will use these points and
properties to graph the
parabola

Multiple Choice

What is the maximum/minimum of a parabola called?

• vertex

• point

• top

• bottom

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Example

Find the direction of the parabola, the
vertex, the axis of symmetry and the
y-intercept

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Example

Find the direction of the parabola, the
vertex, the axis of symmetry and the
y-intercept