Zeros of Functions

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What is a zero of a function?

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A zero of a function is a value of x for which the function f(x) = 0.

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How do you find the zeros of a quadratic function?

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What is the quadratic formula?

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What does it mean if a function has no real zeros?

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If a function has no real zeros, it means that the graph of the function does not intersect the x-axis.

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How can you verify if a number is a zero of a function?

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To verify if a number is a zero of a function, substitute the number into the function. If the result is 0, then it is a zero.

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What is the significance of the discriminant in a quadratic equation?

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The function has no real solutions since the discriminant is negative.

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What is the vertex of a quadratic function?

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