Finding a Square Root to Solve Problems

Solve by the Extraction of Roots method: x² = 16

• ± 4

• ± 8

• 4

• 8

Solve by extracting square roots 3h² - 147= 0.

Choose two values of h.

• h = 12

• h = -12

• h = 7

• h = -7

Solve using the square root method:

x² -4 = 77

• 9

• -9

• No Real Solutions

• ±9

Solve using Square Root Property.

Using the square root property, find the roots of the quadratic equation.

Solve by the Extraction of Roots method: -5x² = -50

• ± 5

• ± 10

• ± √10

• -10

Which quadratic equation can be solved by the square root method?

Which is the best (fastest/shortest) method you should use to solve this equation: 5x² = 45?

• Graphing

• Square Roots

• Completing the Square

• Quadratic Formula

Solve: x² - 25 = 0

• x = 5

• x = -5

• x = 5 and -5

• x = 10