Solving Quadratic Equations

Which is the standard form for a quadratic equation?

Which is in the proper factored form to use the Zero Product Property ?

• 3

• 6

• 12

• 36

What is the color of the graph that has exactly one real zero?

• black

• green

• purple

• red

• None of these graphs has exactly one zero.

When using factoring to solve a quadratic equation, what must be true?

• The equation must be set equal to 1.

• The equation must be set equal to 10.

• The equation must be set equal to 0.

• It is not necessary to set the equation equal to anything.

• 1

• x

• | x |
  

• x = 5 only
  

• x = -5 only
  

• x = 5 and -5
  

• There are no real solutions
  

Solve by factoring: x² = 7x + 18

• -7 and -18

• 9 and 2

• 9 and -2

• 2 and 7