Factoring Quadratics Using Quadratic Formula

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.

Tags

CCSS.HSA-REI.B.4B

Solve by using the quadratic formula.

7x² - 26x - 8 = 0

• x = -1 and x = -7/8

• x = 4 and x = -2/7

• x = -4 and x = 2/7

• x = 4 and x = -7/2

Tags

CCSS.HSA-REI.B.4B

Solve using the quadratic formula.

2x² - 9x - 35 = 0

• x = 7/2 and x = -6

• x = -5/2 and x =5

• x = -3/7 and x =6

• x = -5/2 and x = 7

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to solve: n² = 9n - 20

• n = 4 and n = -5

• n = -4 and n = 5

• n = -4 and n = -5

• n = 4 and n = 5

Tags

CCSS.HSA-REI.B.4B

A new high school gym is painting the gym floor to represents the boundaries of a volleyball court. The court is shaped like a rectangle and has an area of 162 meters. The length of the court is 9 meters greater than the width. The situation can be represented by the equation w2 + 9w- 162 = 0. What is the width of the volleyball court in meters? Enter your answer in the space provided.

Mathematical Equivalence

ON

Tags

A.8A

Solve the following quadratic...

x² + 5x - 24 = 0

• x = 3, 8

• x = -3, -8

• x = -3, 8

• x = 3, -8

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratic equation...

x² - 14x + 24 = 0

• x = 12

  x = 2

• x = 4

  x = 6

• x = 3

  x = 8

• x = 1

  x = 24

Tags

CCSS.HSA-REI.B.4B

Solving the equation f(x) = x² - 8x + 15 =0, what are the two factors we can create to solve this equation? ​ (a)   .

• (x - 3) and (x - 5)

• (x + 3) and (x + 5)

• (x - 15)

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratic equation...

x² + 4x - 32 = 0

• x = 8

  x = -4

• x = -8

  x = 4

• x = -2

  x = 16

• x = 2

  x = -16

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratic equation...

x² + 7x + 12 = 0

• x = -2

  x = -6

• x = -3

  x = -4

• x = -1

  x = -12

• x = 2

  x = 6

Tags

CCSS.HSA-REI.B.4B