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.REI.B.4

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

Factor x² + 5x -14

• (x + 2)(x - 7)
• (x - 2)(x + 7)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.REI.B.4

What are the zeros?

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

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Which is a zero of the graph?

• 0
• -1
• 1.5
• -3

Tags

CCSS.HSF-IF.C.7A

Which is an x-intercept of the function?

• undefined
• 1
• 2
• -1

Tags

CCSS.HSF-IF.C.7A

Name the x-intercept(s)?

• (0, 0)
• (2, 4)
• (0, 0) and (0, 4)
• (0, 0) and (4, 0)

The x-intercepts of a quadratic equation are known as the _____.

• vertices
• squares
• zeros
• formulas

Tags

CCSS.HSF-IF.C.7A

How many roots does this parabola have? 

• 3
• 2
• 0
• 1

Tags

CCSS.HSF-IF.C.7A

Factor x² - 9

• (x + 3)(x - 3)
• (x + 4)(x - 4)

Tags

CCSS.HSA.APR.C.4