SOLUTION: (c-1)^2= 43.8 is given to me. How do i solve for c?

Question 36437: (c-1)^2= 43.8 is given to me. How do i solve for c?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
(c-1)^2= 43.8
c^2-2c+1=43.8
c^2-2c-42.8=0
a=1,b=-2,c=-42.8

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=175.2 is greater than zero. That means that there are two solutions: .

Quadratic expression can be factored:

Again, the answer is: 7.61815684310972, -5.61815684310972. Here's your graph:

Hope this helps.
Cheers,
stan H.
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