Solving Quadratics - Me!

Solve by taking square roots:
k² - 6 = 43

• k = √37
• k = 37 or - 37
• k = 7, k = -7
• no solution

Use the quadratic formula to solve 2x² + 2x - 12?

• -2, 3
• 2, 3
• 2, -3
• -2, -3

Find the expression equivalent to x²+5x-24

• (x+3)(x+8)
• (x-3)(x-8)
• (x+3)(x-8)
• (x-3)(x+8)

Solve by taking square roots:
4m² - 100 = 0

• m=25, -25
• m=96
• m=5, -5
• m=-96

Tags

CCSS.HSA-REI.B.4B

x² – 6x – 16 = 0 

• x = 2, 8
• x = 2, -8
• x = -2, 8
• x = -2, -8

(x – 5)² = 36

• x = -1, -11
• x = -1, 11
• x = 2, 11
• x = -1, 12

Use the quadratic formula to solve 2x² + 2x - 12?

• -2, 3
• 2, 3
• 2, -3
• -2, -3

Solve by completing the square:
x² + 6x = 55

• x = -14, 2
• x = 14, -2
• x = -5, 11
• x = 5, -11

Tags

CCSS.HSA-REI.B.4B

What  are the solutions of this graph?

• -2 and 3
• -1/2 and -6
• -2 and -6
• 3 and -6

What are the solutions?

• 0 and 8
• -2 and -4
• 3 and -1
• 2 and 4