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how do you know if a quadratic equation has one solution. The square root of zero is zero. The answers that you found for k are when the discriminant equal 0 b2-4ac0 -- which means that the function has only one solution.
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The square root of zero is zero. If b2 - 4 ac is 0 then we have only one solution as the formula is reduced to x - b 02 a. The answers that you found for k are when the discriminant equal 0 b2-4ac0 -- which means that the function has only one solution.
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The discriminant equates to 0. The square root of zero is zero. This lesson will present how to recognize from a graph when there is only one real solution of a quadratic equation. So in the numerator of the quadratic formula we will get two values.
