Solve Quadratics with the Quadratic Formula

• no solution

• no real numbers

• 7

• -8

• 11

• 19.29

• 4.39

• 0.56

• 0.16

Fill in the formula =​ = ​ = ​

• -6

• 1

• -40

• -1

• 6

• 40

Fill in the formula BLUE=​ RED= ​ GREEN= ​

• -6

• 1

• -40

• -1

• 6

• 40

Solve using the quadratic formula: 5x² + 9x + 4 = 0

Solve Using the Quadratic Formula 
2x² + 7x - 15 = 0

• -1.5 or 5

• No Solution

• -5 or 1.5

• 0.7 or 5

Solve Using the Quadratic Formula
 x² + 4x - 40 = -8

• -10 & -4

• -4 & 10

• -8 & 4

• 8 & -4

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.

If b²-4ac is positive, the quadratic equation has:

• Two real solutions that are different

• Two imaginary solutions that are different

• One real solution

• One imaginary solution

Solve x² - 5x + 10 = 0

• (5 - i√15)/2  ,  (5 + i√15)/2

• (5 - √15)/2  ,  (5 + √15)/2

• (5 - i√65)/2  ,  (5 + i√65)/2

• (5 - √65)/2  ,  (5 + √65)/2