Finding Zeros of a Quadratic

Factor x² + x - 2

• (x + 1)(x - 2)
• (x - 1)(x + 2)

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Find the roots/zeros of x² + x - 2

• -1, 2
• -2, 1

Tags

CCSS.HSA-REI.B.4B

Find the roots/zeros of x² + 4x - 21

• -7, 3
• -3, 7

Tags

CCSS.HSA-REI.B.4B

Find the roots/zeros of x² - 3x - 10

• -2, 5
• -5, 2

Tags

CCSS.HSA-REI.B.4B

Find the roots/zeros of x² - 2x - 24

• -6, 4
• -4, 6

Tags

CCSS.HSA-REI.B.4B

Find the roots/zeros of x² - x - 20

• -5, 4
• -4, 5

Tags

CCSS.HSA-REI.B.4B

Find the roots/zeros of x² + 5x -14

• -2, 7
• -7, 2

Tags

CCSS.HSA-REI.B.4B

Solve
x² + 9x + 20 = 0

• x = -2, x = -10
• x = -3, x = -4
• x = -4, x = -5
• x = -4, x = -6

Tags

CCSS.HSA-REI.B.4B

Solve
x² + 7x + 12 = 0

• x = -2, x = -10
• x = -3, x = -4
• x = -4, x = -5
• x = -4, x = -6

Tags

CCSS.HSA-REI.B.4B

What are the zeros?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Tags

CCSS.HSA.APR.B.3