Solving Quadratics by Square Roots

Solve by the Square Root method:

-5x² = -50

• ± 5

• ± 10

• ± √10

• -10

Solve using square roots.

• ±81
• ±9
• ±3
• No real solution

Solve using square roots.

• √3
• ±√3
• -3
• No real solution

7x² + 1 = 8

• ± 1
• ± 7
• ± √7
• ± 8

Solve
(x+3)²-5 = 9

• ±√14 -3
• √14 - 3
• ±11
• ±5

Solve for x: 
(x+6)²=49

• x=7,12
• x=±7
• x=1,-13
• x=43,-55

Use the square root property to solve the Quadratic Equation.
2(x - 4)² = 200

• ±10
• -14, 6
• -6, 14
• 100

Solve by taking square roots:
a² + 9 = 9

• no solution
• a = 0
• a = 3 or -3
• a = 18

• Square Roots

• Completing the Square

• Quadratic Formula