Quadratic Applications Warmup

Finish solving the quadratic equation.

(x + 4)(x − 3) = 0

• x = 4 and x = −3

• x = 2 and x = 1

• x = −4 and x = 3

• x = −2 and x = 1

Tags

CCSS.HSA-REI.B.4B

Finish solving the quadratic equation:

(x −11)(5x + 1) = 0

Tags

CCSS.HSA-REI.B.4B

Solve the quadratic equation using factoring.

a² + 2a − 24 = 0

• a = −6, 4

• a = 6, −4

• a = 12, −2

• a = 8, −3

Tags

CCSS.HSA-REI.B.4B

Solve the quadratic equation by factoring:

z² − 14z + 40 = -5

• z = 1, 45

• z = −1, 45

• z = −5, 9

• z = 5, 9

Tags

CCSS.HSA-REI.B.4B

Solve the quadratic equation by factoring:

x² + 9x + 20 = 0

• x = -2, x = -10
• x = -3, x = -4
• x = -4, x = -5
• x = -4, x = -6

Tags

CCSS.HSA-REI.B.4B

Solve the quadratic by identifying any x-intercepts:

• 0 and 4
• 0 and -4
• 0
• -4