Graphing Quadratics Quiz Review

Describe the vertex and the direction of the parabola for y = 3x² – 7x + 2

• Opens down; min

• Opens down; max

• Opens up; max

• Opens up; min

Describe the vertex and the direction of the parabola for y = 5x – x² + 8

• Opens down; min

• Opens down; max

• Opens up; max

• Opens up; min

Write an equation for the axis of symmetry of the parabola y = -2x² + 8x - 5

• x= -2

• x = 2

• 2

• y = -2

Find the vertex of the parabola y = 3x² – 12x + 8.

• (2, -4)

• (0.5, 2.75)

• (-2, 44)

• (4, 8)

Find the y-intercept of the graph of the parabola y = 5x² – 7x + 2

• (0, 5)

• (0, 2)

• (0, -7)

• (2, 0)

The formula for finding the AOS of a quadratic function is:

• -2a/b

• b/2a

• -a/2b

• -b/2a

Describe the vertex and the direction of the parabola for y = -2x² + 5x - 3

• Opens down; min

• Opens down; max

• Opens up; max

• Opens up; min

What is the y-coordinate of the vertex for the following quadratic function: y = -2x² + x – 5

• -1/4

• -25/4

• 17/4

• 21/4

• -39/8

What is the x-coordinate of the vertex for the following quadratic function: y=(1/4)x² + 5x - 10

• 0

• -10

• 10

• -2