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Use the discriminant to determine the number of solutions for each quadratic equation. Do not solve. 4x^2-20x+25=0?

Science & Mathematics by Anonymous 2018-06-16 01:32:03

Social Science

Use the discriminant to determine the number of solutions for each quadratic equation. Do not solve. 4x^2-20x+25=0?

3 answers

  • Anonymous

    Discriminant is 0 One real solution.

  • Anonymous

    Discriminant = 0 1 real solution.

  • Anonymous

    (-20)^2 - 4(4)(25) = 400 - 400 = 0. Zero discriminant = one real solution (double root/zero).

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