SOLUTION: use the discriminant to determine the number of solutions of the quadratic equation, and whether the solutions are real or complex. Note: It is not necessary to find the roots; ju
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Question 481327: use the discriminant to determine the number of solutions of the quadratic equation, and whether the solutions are real or complex. Note: It is not necessary to find the roots; just determine the number and types of solutions
s2 - 4s + 4 = 0
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
Discriminant = b^2 - 4ac = (-4)^2 - 4(1)(4) = 0.
There is one (real) double root.
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