Finding Zeros of Quadratics

Factor x² + x - 2

• (x + 1)(x - 2)
• (x - 1)(x + 2)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.B.3

Find the roots/zeros of x² + x - 2

• -1, 2
• -2, 1

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Factor x² + 4x - 21

• (x + 7)(x - 3)
• (x - 7)(x + 3)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Find the roots/zeros of x² + 4x - 21

• -7, 3
• -3, 7

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Factor x² - 3x - 10

• (x + 2)(x - 5)
• (x - 2)(x + 5)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.B.3

Find the roots/zeros of x² - 3x - 10

• -2, 5
• -5, 2

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Factor x² - 2x - 24

• (x + 6)(x - 4)
• (x - 6)(x + 4)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Find the roots/zeros of x² - 2x - 24

• -6, 4
• -4, 6

Tags

CCSS.HSA-REI.B.4B

Factor x² - x - 20

• (x + 5)(x - 4)
• (x - 5)(x + 4)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.REI.B.4

Find the roots/zeros of x² - x - 20

• -5, 4
• -4, 5

Tags

CCSS.HSA-REI.B.4B