Quadratic Regression and Complex Numbers

Front

What is a quadratic function?

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Front

What is the standard form of a quadratic equation?

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Front

What is the vertex of a quadratic function?

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Front

What is the axis of symmetry in a quadratic function?

Back

Front

What is the discriminant of a quadratic equation?

Back

Front

What does it mean if the discriminant is positive?

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If the discriminant is positive, the quadratic equation has two distinct real roots.

Front

What does it mean if the discriminant is zero?

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If the discriminant is zero, the quadratic equation has exactly one real root (a repeated root).

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What does it mean if the discriminant is negative?

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If the discriminant is negative, the quadratic equation has no real roots, but two complex roots.

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How do you perform quadratic regression?

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Quadratic regression involves fitting a quadratic equation to a set of data points to model the relationship between the variables. This is typically done using statistical software or a graphing calculator.

Front

What is a complex number?

Back