CH 8.1-8.4 Review - Quadratic Functions

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

• y = -2
• x = 3
• x = -3
• y = 2

Does this graph in the back have maximum or minimum value?

• maximum
• minimum
• neither
• both

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum
• opens up with a minimum
• opens down with a maximum
• opens down with a minimum 

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

• 2
• -2
• 1
• -1

What is the axis of symmetry?

• the slope of the graph
• the dividing line for a parabola
• a way to spin my pencil
• the x-axis

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

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

Identify the a, b and c values for this equation:
3x² - 8x + 15 = 0

• a=3, b=8, c=0
• a=3, b=-8, c=15
• a=3, b=8, c=15

What is the vertex?

• (5,2)
• (2,5)
• (-2,5)
• (-5,2)

The equation for this graph is...

• y = x²
• y = -x² - 1
• y = x²  - 1
• y = -x²

The graph of y = x² + 1 could be?

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