Solving Quadratic Equations Review

• ±81
• ±9
• ±3
• No real solution

• ±23.25
• ±5
• ±25
• No real solution

• ±72
• ±12
• 12
• No real solution

• -4, 2
• -2, 4
• -16
• -4

• -3, 4
• 3, 4
• -4, -3
• -3

• -6, -2
• -2, 6
• 2, 6
• -6, 2

• ±1.5
• 1.5
• ±1
• No real solution

What is the discriminant?

• b²-4ac
• b²/2a
• 4ac
• b²±4ac

If the discriminant equals 0, then the quadratic has:

• 1 Real Solution
• 2 Real Solutions
• Half a Solution
• No Real Solution

If the discriminant is negative, then the quadratic has:

• 1 Real Solution
• 2 Real Solutions
• Half a Solution
• No Real Solutions