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How Can You Tell When a Quadratic Equations Has No Real Solutions by Using the Quadratic Formula?

Find the real solutions, if any, to the equation x2 – 4x + 5 = 0

Summary

  1. The -4 under the square root means that there can be no real number solutions to this problem

Notes

    1. a, the coefficient in front of x2 is 1
    2. b, the coefficient in front of x is -4
    3. c, the constant, is 5
    1. Simplify what is under the square root first