Solving Quadratic Equations

Solve the equation: 
5x² - 35x + 60 = 0

• x = 3,  -4

• x = -3,  4

• x = 3,  4

• x = -3,  -4

Solve
x² + 13x + 12 = 0

• x = -12, -1

• x = 12, 1

• x = 13, 1

• x = -13, -1

• ±72
• ±12
• 12
• No real solution

• ±81
• ±9
• ±3
• No real solution

±23.25

±5

±25

No real solution

• ±23.25

• ±5

• ±25

• No real solution

Q1. What is the result of the operation?

• -4, 2

• -2, 4

• -16

• -4

• -2, 4
• -8
• ±8
• No real solution

Solve the equation by factoring.

• x = {-5,-3}

• x = {5,-3}

• x = {-5,3}

• x = {5,3}

Use the discriminant to find the number of solutions for the following equation. y = x² +10x + 25

• 2 solutions

• 1 solution

• 0 solutions

Use the discriminant to find the number of solutions for the following equation.

y = 4x² - 9

• 2 solutions

• 1 solution

• 0 solutions