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Section 10.7 Interpret the Discriminant

Section 10.7 Interpret the Discriminant. In the quadratic formula, the expression inside the radical is the discriminant . The discriminant is found under the radical ________________.

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Section 10.7 Interpret the Discriminant

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  1. Section 10.7Interpret the Discriminant

  2. In the quadratic formula, the expression inside the radical is the discriminant. The discriminant is found under the radical ________________

  3. The value of the discriminant can be used to determine the _____________ of a quadratic equation or the _____________________of the graph. Use the following to determine, considering the quadratic equation If__________________, then the equation has __ solution or intercepts If __________________, then the equation has __ solution or intercepts If __________________, then the equation has __ solution or intercepts number of solutions number of x-intercepts 2 1 0

  4. Find the value of the discriminant and use the value to tell if the equation has 2, 1, or no solution. a b c a b c a b c 2 solutions 0 solutions 1 solution

  5. Use the following quadratic equation to determine the number of x-intercepts of the graph. 2 x-intercepts 1 x-intercepts 0 x-intercepts

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