Determine Zeros by Factoring

Find the zeros of the equation:

(x+10)(x-2) = 0

• 10 and 2

• -2 and 10

• -10 and 2

• -2 and -10

Solve.
n² - 2n = 0

• n = 2 and 0

• n = -2 and 0

• n = 2

• n = 0

What is another word for zeros?

• y-intercepts

• roots

• vertex

• axis of symmetry

Solve by factoring.
z² - 18z + 81 = 0

• z = 9

• z = -9

• z = 9 or z = -9

Solve by factoring.
x² + 2x - 8 = 0

• 4 and 2

• 4 and -2

• -4 and 2

• -4 and -2

Solve by factoring.
z² - 6z - 27 = 0

• z = 3 or z = 9

• z = 3 or z = -9

• z = -3 or z = 9

• z = -3 or z = -9

Solve by factoring:
x² - 6x + 5 = 0

• -6, -1

• -5, -1 

• 1, 6

• 5, 1

What are the solutions?

• 0 and 8

• -2 and -4

• 3 and -1

• 2 and 4

What is another word for zeros?

• y-intercepts

• roots

• vertex

• axis of symmetry