Modulus 8 Review- Test

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

• y = -2

• x = 3

• x = -3

• y = 2

Maximum or Minimum

• Maximum

• Minimum

Identify the x intercepts: Mark all that apply

• (-1,-9)
• (0,-8)
• (-4,0)
• (2,0)

• 2

• 6

• -10

• 10

Determine the values of

a, b, and c

4x² – 8x - 3

• a = 4, b = -8, c = 3

• a = 4, b = -8, c = -3

• a = 4, b = 8, c = 3

• a = 4, b = 8, c = -3

• 4

• -12

• -1

X intercepts are also called....

• Solutions

• Parabolas

• Roots

• Puppies

Given a graph, how can you find the "solutions" to a quadratic?

• Copy off neighbor

• Plug into calculator

• Solutions are where the quadratic crosses the x axis

• Magic 8 Ball

Use the graph to determine the solutions.

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3
*remember right side should =0

• a = 4, b = -8, c = 3
• a = 4, b =-8, c =-3
• a = 4, b = 8, c = 3
• a = 4, b = 8, c = -3