# Solving inequalities

I have to solve the following inequalities:

x^2 + y^2 is less than or equal to 49
y is less than or equal to 3-x^2

I know that these are the equations of a circle and a parable. There should be 3 solutions. However, I am not sure how to solve these equations. CAn you help? Thanks.

1. solve them equal, then...for instance...

x^2+y^2<=7^2 which means the radius of all points x,y from the origin is less or equal to 7...which does indeed mean the circle and all points in it.

posted by bobpursley
2. 5x+10>20

posted by lisa
3. 10 ¡Ü 2 + 4x < 20

posted by Meme

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