SOLUTION: Graph each parabola. 17. y = x2 + 2

Question 172002: Graph each parabola.
17. y = x2 + 2

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Graph each parabola.
17. y = x2 + 2
I'll assume that's x^2

Solved by pluggable solver: SOLVE quadratic equation (work shown, graph etc)

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 : .

The discriminant -8 is less than zero. That means that there are no solutions among real numbers.

If you are a student of advanced school algebra and are aware about imaginary numbers, read on.

In the field of imaginary numbers, the square root of -8 is + or - .

The solution is , or
Here's your graph:

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