Math 3 EOC Version 01

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What is a zero of a function?

Back

A zero of a function is a value of x for which the function f(x) equals zero. It represents the x-intercepts of the graph of the function.

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How do you find the zeros of a polynomial function?

Back

To find the zeros of a polynomial function, set the function equal to zero and solve for x. This may involve factoring, using the quadratic formula, or synthetic division.

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What is the domain of a function?

Back

The domain of a function is the set of all possible input values (x-values) for which the function is defined.

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What is an equivalent expression?

Back

An equivalent expression is a different expression that has the same value for all values of the variable(s) involved.

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How do you simplify a rational expression?

Back

To simplify a rational expression, factor the numerator and denominator and then cancel any common factors.

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What is the significance of the x-intercepts of a function?

Back

The x-intercepts of a function are the points where the graph crosses the x-axis, indicating the values of x for which the function equals zero.

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What is the quadratic formula?

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What does it mean for a function to be continuous?

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A function is continuous if there are no breaks, jumps, or holes in its graph, meaning it can be drawn without lifting the pencil.