Discriminant Worksheet (pdf) with Answer Key. Quadratic Equations practice!

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Students will practice evaluating the nature of the roots of a quadratic equation by using the discriminant. 25 question worksheet with answer key.

Given the graph below determine a) the sign of the discriminant b) the number and nature of the roots.

Find the discriminant to determine the number and nature of the roots of the equation x² + 7x + 6 = 0

Find all the values of a such that ax² + 5x + 3 = 0 has two real roots.

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This is a 5 part worksheet:

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Discriminant Worksheet and Answer Key