Identifying Zeros of Functions

What are the zeros of the polynomial function f(x) = (x - 2)(x + 3)?

• -2 and 3

• 2 and -3

• -2 and -3

• 2 and 3

Tags

CCSS.HSF-IF.C.7C

Which of the following is a zero of the polynomial function f(x) = (x + 4)(x - 1)(x - 3)?

• -4

• 1

• -1

• 3

Tags

CCSS.HSF-IF.C.7C

Which of the following is a zero of the polynomial function f(x) = (x + 1)(x - 2)(x + 3)?

• 1

• -3

• 2

• -1

Tags

CCSS.HSF-IF.C.7C

What are the zeros of the polynomial function f(x) = (x - 4)(x + 2)(x - 1)?

• -4, -2, and 1

• 4, 2, and -1

• -4, 2, and -1

• 4, -2, and 1

Tags

CCSS.HSF-IF.C.7C

A polynomial function is shown below in factored form. f\left(x\right)=5\left(2x+3\right)\left(x+4\right)\left(x-2\right) 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

Identify the zeros/roots:

• x=-2, x=-1, x=0

• x=-2, x=0

• x=-1, x=0, x=2

• x=-2, x=0, x=1

Identify the zeros:

• x=-2, x=-1, x=0

• x=-2, x=0

• x=-1, x=0, x=2

• x=-2, x=0, x=1

Let f(x) = 4x² -33x -27.  Is k = 9 a zero of the function?

• yes

• no

Identify the zeros: Remember to look at your roots, multiplicity, and end behavior!! Use your notes!

• x=-2, x=-1, x=0

• x=-2, x=0

• x=-1, x=0, x=2

• x=-2, x=0, x=1

Tags

CCSS.HSA.APR.B.3

A polynomial function is shown below in factored form. f\left(x\right)=5\left(2x+3\right)\left(x+4\right)\left(x-2\right) 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