Question

College Algebra: Inequalities In Two Variables!
I need to sketch the graph of the nonlinear inequality. Sadly, I'm not good at reading and understanding how to graph these. The math problem is:
y>-x^2

Answer 1

Okay, so draw the line y=-x^2 and we get this:
Try a point above the line, say (0, 5). Does this satisfy your inequality? y>-x^2? Try a point below, say (0, -5), does this satisfy your inequality?

Answer 2

From these two points you will spot for which side of the line the inequality is true for :)

Answer 3

How do you graph y>-x^2? Like how do you read it in order to graph it?

Answer 4

I haven't, I plotted y=-x^2. I know what y=x^2 looks like, and I know that y=-x^2 is hte same but reflected in the x axis.

Answer 5

I understand what you're saying though and I see that I need to shade everything around the upside down U.
Oh, I'm the kind of person who doesn't know what y=-x^2 looks like on a graph so I wouldn't know how to graph it. I have a Chapter Test tomorrow and I'm trying to learn a few things in case they pop up.

Answer 6

If you don't know what a graph looks like, try creating a table of values then plotting it: