Solution Set for Quadratics

Solve
a² + 2a - 24 = 0

• a = -6, 4

• a = 6, -4

• a = 12, -2

• a = 8, -3

Tags

CCSS.HSA-REI.B.4B

Convert x²-6x+9 to factored form and identify the solution.

• (x-3)(x-3); x=3

• (x+3)(x+3); x=-3

• (x+4)(x+2); x=-4, -2

• Not factorable

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratics equation by completing the square...

x² + 4x + 1 = 0

• x = -2 ± √3

• x = -3 ± √2

• x = 2 ± √3

• x = 2 ± √2

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratics equation by completing the square... x² - 6x + 2 = 0

• x = -3 ± √7

• x = 3 ± √7

• x = 7 ± √3

• x = -7 ± √3

Tags

CCSS.HSA-REI.B.4B

• C

• A

• B

• D

Tags

CCSS.HSA-REI.B.4B

• J

• F

• G

• H

Tags

CCSS.HSA-REI.B.4B

What is the solution set for the given quadratic function
x² + 2x - 24 = 0

• { - 6 , 4 }

• { 6 , - 4 }

• { 12 , -2 }

• { 8 , -3 }

Tags

CCSS.HSA-REI.B.4B

Solution (a)  

• D

• A

• B

• C

Tags

CCSS.HSA-REI.B.4B

Which of the following is the solution of the given Quadratic Inequality?

• 1/2 ≤ x ≤ 2

• -1/2 ≤ x ≤ 2

• -2 ≤ x ≤ -1/2

• -2 ≤ x ≤ 1/2

The quadratic function y = -2x² + 4x + 6 is pictured. What are the solutions to the equation 7.5 = -2x² + 4x + 6?

• x = 0.5

• x = 1.5

• x = 1

• x = 8

• x = 6