Finding the Roots and Zeros

Find the roots/zeros of x² + x - 2

• -1, 2

• -2, 1

Tags

CCSS.HSA-REI.B.4B

What is another word for zeros?

• y-intercepts

• roots

• vertex

• axis of symmetry

Tags

CCSS.HSF-IF.C.7C

What are the zeros of the quadratic function?
y = x² - 2x - 15

• x = -2
  x = -15

• x = -3
  x = 5

• x = 3
  x = -5

• x = 1
  x = -16

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Find the zeros of the function above.

*remember to change n to x in Desmos*

• -4, 2

• -2, 4

• -16

• -4

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What is another word for zeros? Select all that apply.

• y-intercepts

• roots

• vertex

• axis of symmetry

• x-intercepts

Tags

CCSS.HSF-IF.C.7C

• -3

• 3

• 15

• -15

• 2

• -2

• 0

• -45

• 45

Tags

CCSS.HSF-IF.C.7C

• -3

• 3

• 15

• -15

• 2

• -2

• 0

• -45

• 45

Tags

CCSS.HSF-IF.C.7C

A polynomial function is shown below in factored form. Which of these statements are true? The function has exactly ​ (a)   zeros. The graph of the function has an x-intercept at ​ ​ (b)   .

• 3

• (2, 0)

• 4

• 5

• 2

• (4, 0)

• (0, 0)

Tags

CCSS.HSF-IF.C.7C

Mathematical Equivalence

ON

Tags

CCSS.HSF-IF.C.7C

Mathematical Equivalence

ON

Tags

CCSS.HSF-IF.C.7C