Solving Quadratics, Complex #'s Review

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

Solve by factoring

12x² + 8x = 0

• x = 0, -2/3

• x = 0

• x = 3/2, 0

• x = 4

Solve:
x² - 49 = 0

• x = -7, x = 7
• x = -7
• x = 7
• x = -7, x = 1

What does i² = ?

• -1
• √-1
• 1
• -√1

Solve: 49x² - 100 = 0

What value of c would complete the square?

x² -18x + c

• 28

• 14

• 196

• 56

Solve by completing the square.
x² +12x = 5

• X = 6 + √41 or  6 − √41
• X= 35 or 47
• X = −6 + √41 or  −6 − √41
• X = √35 or √47