Quadratic Formula with Radical Answers

The discriminant is

• aX²  + bX  +  c

• b - 4ac

• b² - 4ac

• b² + 4ac

What is this formula?

• This is the speed of light formula.

• This is the quadratic formula.

• This is the zero product property.

• This is scary.

Use the quadratic formula to find the solutions for

x² - 5x - 12=0

• No Real Solution

• 
• 
• 

• A
• B
• C
• D

Use the quadratic formula:

• A

• B

• C

• D

If the discriminant is negative, then the quadratic has:

• 1 Real Solution

• 2 Real Solutions

• Half a Solution

• 2 Complex (imaginary) Solutions

Solve for a and put in simplest radical form.

• A

• B

• C

• D

Solve for x. Put in simplest radical form.

• A

• B

• C

• D

• -5i
• 5
• 5i
• -5

1.) Solve the equation. Enter the numbers that should be used for D,E in the simplified answer (commas, no spaces).