Solving Quadratic Equations- Pre Calc Practice

Solve for x     x² - 4 = 76

• x = 4 , -4
• x = 4√5    ,  -4√5
• x = 80   ,  x = -80
• x = 5√4    or    -5√4

Solve for x
3x² = -60

• ±2i√5
• √20
• √60
• ±√30

Tags

CCSS.8.EE.A.2

Solve
x² + 13x + 12 = 0

• x = -12, -1
• x = 12, 1
• x = 13, 1
• x = -13, -1

Solve the equation: x² - 2x - 48=0

• x = 8, x = 6

• x = 8, x = -6

• x = -8, x = 6

• x = -8, x = -6

• No Real Solutions

Solve the following: 4x² + 16 = 0

• ∓ 4i
• ∓ 16i
• ∓ 4
• ∓ 2i

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve by factoring.
x² + 2x - 8 = 0

• 4 and 2
• 4 and -2
• -4 and 2
• -4 and -2

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratic function:
-x²+2x=7

• -2 ± √-24  / -2
• -2 ± 2i √6
• 1 ± 6i√2
• 1± i√6

3x² - 6 = -9

• ±1
• ±i
• ±3
• ±3i

Solve for x:

• x = {-3+2i, -3-2i}
• x = {7, 6}
• x = 2±i√3
• No solution

Solve for x: x² - 5x + 8 = 0

• x = (-5±i√7)/2
• x = (5±i√7)/2
• x = (8±i√7)/2
• x = (5±√57)/2