# Algebra - Quadratic Equations

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1. If x = 1 and x = -8, how would I form a quadratic equation?

2. What type of solution do you get for quadratic equations where D < 0? Give reasons for your answer. Also provide an example of such a quadratic equation and find the solution of the equation.

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#### Solution Preview

(1) The quadratic equation whose roots are m and n is given by x^2 - (m + n)x + mn = 0

Here, m = 1 and n = -8

m + n = 1 - 8 = -7 and mn = 1(-8) = -8

Therefore, the quadratic equation is x^2 - ...

#### Solution Summary

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