Quadratic Equations (Solve by Factoring)

Solve.

( x + 9 ) ( x - 7 ) = 0

• x² + 2x - 63 = 0

• x = 9 and x = - 7

• x = - 9 and x = 7

• x = 9 and x = 7

Tags

CCSS.HSA-REI.B.4B

Find the solutions to this equation.

5x ( 7x - 3 ) = 0

• x = 0 and x = 3 / 7

• x = 0 and x = - 3 / 7

• x = 0 and x = 7 / 3

• x = -5 and x = 3 / 7

Tags

CCSS.HSA-REI.B.4B

Solve by factoring.

x² + 7x + 12 = 0

• ( x + 4 ) ( x + 3 )

• x = 4 and x = 3

• x = -12 / 7

• x = - 4 and x = - 3

Solve by factoring.

x² - 7x + 6 = 0

• ( x - 6 ) ( x - 1 )

• { 1 , 6 }

• { -6 , -1 }

• { -7 , 1 }

Solve by factoring.

x² + 3x = 10

• x² + 3x - 10 = 0

• ( x + 5 ) ( x - 2 )

• { - 5, 2 }

• { -2, 5 }

For which of these equations are

x = 5 and x = -5 BOTH solutions?

(Check all correct options)

• x² + 25 = 0

• x² - 25 = 0

• x² + 10x + 25 = 0

• x² - 10x + 25 = 0

Tags

CCSS.HSA-REI.B.4B