The Roots of the Polynomials

One zero of 3x³-4x²-28x-16 is 4.
What is another zero?

• 8

• -2

• 6

• 1

One zero of 2x³-13x²+36 is 2.
What is another zero?

• 3/2

• 6

• 2

• -6

Determine the roots of the polynomial. 
f(x) = -x(x+1)(x-3)

• -1, 3

• 0, -1, 3

• 1, -3

• 0, -3, 1

Tags

CCSS.HSF-IF.C.7C

• -3,2,1

• 3,-2,-1

Tags

CCSS.HSF-IF.C.7C

Find the root(s) of the function.

• x = 3

• x = -3, -1, 2

• x = -3, 2

• x = -1

Tags

CCSS.HSF-IF.C.7C

Which x-value is a root of the function below? f(x) = x³ + 4x² + 9x + 36

• x = 3

• x = -3

• x = 4

• x = -4

If f(x) = 2x³-13x²+36, is x = 6 an x-intercept?

• No, because f(6) = 30

• Yes, because f(6) = 0

• Yes, because f(6) = 30

• No, because f(6) = 0

Tags

CCSS.HSF-IF.C.7C

• no, 3 is not a zero of f(x)

• yes

• no, 2 is not a zero of f(x)

• no, -3 is not a zero of f(x)

Tags

CCSS.HSF-IF.C.7C

Which number below is zero of f(x)?

• 8

• -2

• 6

• 1

Tags

CCSS.HSF-IF.C.7D

If f(x) = 2x³-9x²-123x-220, which value below is a root?

• 18

• 4

• 11

• -7

Tags

CCSS.HSA.APR.B.2