Evaluating Cubic Expressions

Front

What is a cubic expression?

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Front

How do you evaluate a cubic expression at a specific value?

Back

To evaluate a cubic expression at a specific value, substitute the value into the expression and simplify.

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Back

f(-1) = -6.

Tags

CCSS.HSF.IF.A.2

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What are the zeros of a cubic function?

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The zeros of a cubic function are the values of x for which the function equals zero.

Tags

CCSS.HSF-IF.C.7C

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Back

f(4) = 190.

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CCSS.HSF.IF.A.2

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What is the range of all cube root functions?

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The range of all cube root functions is (−∞, ∞).

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CCSS.HSF-IF.C.7B

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Back

Front

What is the significance of the leading coefficient in a cubic function?

Back

The leading coefficient determines the end behavior of the cubic function; if positive, the function rises to the right, and if negative, it falls to the right.

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What is the difference between a polynomial and a cubic expression?

Back

A polynomial is a mathematical expression involving a sum of powers in one or more variables multiplied by coefficients, while a cubic expression is specifically a polynomial of degree three.

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Back

f(-2) = -101.

Tags

CCSS.HSF.IF.A.2