Mfranc Quadratic

Use the picture to find  the vertex and axis of symmetry

•  Vertex (3,8) Axis x=3

• Vertex (3,8) Axis y=3

• Vertex (8,3) Axis x=3

• Vertex (8,3) Axis y=3

If the discriminant equals 0, then the quadratic has:

• Real Solution

• Real Solutions

• Half a Solution

• No Real Solution

Find the discriminant. 2x² + 7x - 15 = 0

• 13

• 169,  No real solutions

• 169,  1 real solution

• 169,  2 real solutions

If the discriminant is equal to -2, how many solutions are there?

• 2 imaginary solutions

• 1 real rational solution

• 2 real Irrrational solutions

• 2 real rational solutions

If the discriminant is equal to 4, how many solutions are there?

• 2 imaginary solutions

• 1 real rational solution

• 2 real rational solutions

• 2 real irrational solutions

Solve the equation by factoring:
x²-6x+8=0

• 2, 4

• -2, -4

• -2, 4

• 2, -4

Solve by factoring:
 x² - 9x + 20 = 0

• x = -4 and x = -5

• x = 20 and x = -9

• x = 4 and x = 5

• x = -4 and x = 5

Solve by factoring:
x² + 3x - 18 = 0

• x = -3 and x = 6

• x = 3 and x = -6

• x = -9 and x = 2

• x = 9 and x = -2

Solve the following quadratic equation...

x² + 36= - 13x

• x = -2

  x = -18

• x = -9

  x = -4

• x = -3

  x = -12

• x = -6

  x = -6

What is the discriminant?

• b²-4ac

• b²/2a

• 4ac

• b²±4ac