SOLUTION: y squared minus 8y minus 2 equals 0

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Question 920628: y squared minus 8y minus 2 equals 0
Answer by srinivas.g(540)   (Show Source): You can put this solution on YOUR website!
y^2-8y-2 =0
Solved by pluggable solver: SOLVE quadratic equation with variable
Quadratic equation (in our case ) has the following solutons:



For these solutions to exist, the discriminant should not be a negative number.

First, we need to compute the discriminant : .

Discriminant d=72 is greater than zero. That means that there are two solutions: .




Quadratic expression can be factored:

Again, the answer is: 8.24264068711928, -0.242640687119285. Here's your graph:

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