Solving Quadratics by Square Root and Zero Product Property

Solve using the square root property.

x² = 16

• ± 4

• ± 8

• 4

• 8

Find the zeros of this quadratic.

• b=4/5, b=3

• b=4, b=-3

• b=1/5, b=3

• b=4/5, b=-3

What is another word that describes the zeroes of a quadratic function?  

• y-intercepts

• vertex

• x-intercepts

• maximum

Solve using the square root property.

4m² - 100 = 0

• m=25, -25

• m=96

• m=5, -5

• m=-96

x² = 16

• ± 4

• ± 8

• 4

• 8

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

Show your work on paper!

• ±10

• -14, 6

• -6, 14

• 100

Solve using the square root property:

x² - 6 = -50

What are the zeros of the function below?
(x - 6)(2x + 4) =0

• x = -6, x = -4

• x = 6, x = -2

• x = 4, x = 6, x =2

• cannot be determined

Use the square root property to solve the Quadratic Equation.

x² = -49

• ± 7

• -7

• ± 2401

• no real solution

(x-5)² = 25

• ±0

• ±10

• 10, 0

• -10, 0