Solving Quadratics with Radical

Solve using square roots.

• ±81

• ±9

• ±3

• No real solution

Solve by taking square roots:
5b² - 4 = 41

• b = 9, b = -9

• b = 3, b = -3

• b = 8, b = -8

• no solution

x² - 49 = 0

• x = -7 or x = 7

• x = -7

• x = 7

• x = -7 or x = 1

Solve using square roots.
5b² - 4 = 41

• b = 9, b = -9

• b = 3, b = -3

• b = 8, b = -8

• no solution

• x=11 and -5

• x= -5

• x=11

• No Solution

Solve for x.

• x=11 and -5

• x= -5

• x=11

• No Solution

Solve and check your solutions.

• x=11 and -5

• x= -5

• x=11

• No Solution

Solve for x

x² = 64

• x = 8, -8

• x = 32, -32

• x = 4, -4

• No real solution

What are the solutions?

• -2, 1

• 1, 2

• -1,2

• 0,-4

How many solutions does the graph have?

• 0

• 1

• 2

• 3