Factors and Roots from Cubic Graphs

Determine the roots of the polynomial. 
f(x) = (x+1)(x-4)(x+2)

• 1, 4, 2

• -1, -4, -2

• 1, -4, 2

• -1, 4, -2

Tags

CCSS.HSF-IF.C.7C

Determine the roots of the polynomial. 
f(x) = (x-2)³

• -2, -2, -2

• 2, 2, 2

Tags

CCSS.HSF-IF.C.7C

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

Determine the roots of the polynomial. 
f(x) = -6x(x+4)(x-2)

• 0, -4, 2

• -6, -4, 2

• -6, 4, -2

• 0, 4, -2

Tags

CCSS.HSF-IF.C.7C

Which best describes the multiplicity of a root?

• It is the number of times the corresponding factor is repeated

• It is the highest degree of the polynomial

• It is the number of times x is multiplied by itself

• It is the number of x-intercepts on a graph

Tags

CCSS.HSF-IF.C.7C

Factor each and find all roots.

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Tags

CCSS.HSF-IF.C.7C

Factor each and find all roots.

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Tags

CCSS.HSF-IF.C.7C

If you know that x = 4 is a root to the function f(x), which statement below is true?

• (x - 4) is a factor

• (x + 4) is a factor

• x = -4 is also a root

Tags

CCSS.HSA.APR.B.2

Factor each and find all roots.

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Tags

CCSS.HSF-IF.C.7C

What is the DOMAIN of the graph?

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5