Chapter 10 - Section 10.4 - Nonlinear Inequalities and Systems of Inequalities - Exercise Set - Page 628: 10

Please see the graph.

$x^2+y^2 > 4$ Since the graph has a greater than sign, we use a dotted line for the graph. We pick a point to determine what side of the graph to shade—we pick $(2,2)$. $x^2+y^2 > 4$ $2^2+2^2 > 4$ $4+4 >4$ $8 > 4$ (true) We shade the side of the graph with the point.