Solve Quadratics by Factoring and Quadratic Formula

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

Tags

CCSS.HSA-REI.B.4B

Solve by factoring: 5x² + 13x + 6 = 0

• x = -2 and x = -3/5

• x = 2 and x = 3/5

• x = -2 and x = 3/5

• x = 2 and x = -3/5

Tags

CCSS.HSA-REI.B.4B

Write the quadratic equation in factored form: y = 3x² - 7x - 6

• y = (3x + 2)(x - 3)

• y = (3x - 2)(x + 3)

• (3x + 2)(x - 3)

• (3x - 4)(x - 2)

Solve by factoring: 3x² - 27x = 0

• x = 9 (double root)

• x = 9, -9

• x = 0, 9

Tags

CCSS.HSA-REI.B.4B

Solve by factoring OR using the quadratic formula:

5x² - 5x - 8 = 3x² + 4

• x = -4 and x = -6

• x = 4 and x = -3/2

• x = 4 and x = 6

• x = -4 and x = 3/2

Tags

CCSS.HSA-REI.B.4B

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 equation by factoring.

• x = {-5,-3}

• x = {5,-3}

• x = {-5,3}

• x = {5,3}

Tags

CCSS.HSA-REI.B.4B

Solve:  x² - 3x - 28 = 0

• -4, 7

• 4, 7

• 4, -7

• -4, -7

Tags

CCSS.HSA-REI.B.4B

Which equation matches these solutions? x=5,-7

• (x+5)(x-7)=0

• (x-5)(x+7)=0

• (x+5)(x+7)=0

• (x-5)(x-7)=0

Tags

CCSS.HSA-REI.B.4B

Solve Using the method of your choice.

x² + 4x - 40 = -8

• -10 & -4

• -4 & 10

• -8 & 4

• 8 & -4

Tags

CCSS.HSA-REI.B.4B