Solving Quadratics Practice

Which method is most efficient to solve:
7x²  - 28 = 0

• Square Roots
• Factoring
• Completing the Square
• Quadratic Formula

Which method is most efficient to solve:
x²  -  6x + 2 = 0

• Square Roots
• Factoring
• Completing the Square
• Quadratic Formula

What are the roots?
(x + 5)(2x - 3) = 0

• x = 5 ; x =  -³/₂
• x = -5 ; x = ³/₂
• x = -5 ; x = 3
• 2x² + 7x - 15

Tags

CCSS.HSA-REI.B.4B

What are the roots?
2x² + 2x - 12 = 0

• x = 3 ; x = -3
• x = 12 ; x =  -12
• x = -3 ; x = 2
• x = -2 ; x = 2

What are the zeros of the function?
f(x) = x² + x - 20

• x = 5 ; x = -4
• x = -20 ; x = 0
• x = -5 ; x = 4
• x = 20; x = 0

Solve by factoring.

• -4, 2

• -2, 4

• -16

• -4

Tags

CCSS.HSA-REI.B.4B

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

x² + 12x + 10 = 0

• x = -6 ± √26

• x = 6 ± √26

• x = 26 ± √6

• x = -26 ± √6

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 - 3 = 0

• x = -3 ± √12

• x = 3 ± √12

• x = 12 ± √3

• x = -12 ± √3

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:  2x²+ 7x + 6 = 0

• x= 3/2 and x = 2
• x = -3/2 and x = -2
• x = 6 and x = 7
• x = -6 and x = -7

Tags

CCSS.HSA-REI.B.4B