5.3 Review: Solving Quadratic Equations Using Sqare Roots

How many solutions do you have If

x² = 0?

• No Solution

• One Solution

• 2 Solutions

How many solutions do you have If

x² = (NEGATIVE NUMBER)?

• No Solution

• One Solution

• 2 Solutions

How many solutions do you have If

x² = (POSITIVE NUMBER)?

• No Solution

• One Solution

• 2 Solutions

Solve using Square Roots:

x² = 121

• x = ± 60.5

• x = ± 11

• x = ± 12

• No Solution

Solve using Square Roots:

49x² = -49

• x = ± 7

• x = 0

• x = ± 9.89

• No Solution

Solve using Square Roots:

x² + 25 = 25

• x = 0

• x = ± 7.07

• No Solution

• x = ± 5

Simplify and then Solve using Square Roots:

3x² + 12 = 39

• x = 0

• x = 27

• x = ± 3

• x = ± 9

Simplify and then Solve using Square Roots:

x² − 4 = 0

• x = ± 2

• x = ± 4

• x = ± 16

• x = 0

Simplify and then Solve using Square Roots:

k² - 6 = 43

• k = ± 1.73

• k = ± 37

• k = ±7

• No Solution

Simplify and then Solve using Square Roots:

5m² + 1 = 6

• m = ± 7

• m = ± 1

• m = 0

• m = ± 7/5