Chapter 10 - Systems of Equations and Inequalities - Section 10.6 Systems of Nonlinear Equations - 10.6 Assess Your Understanding - Page 794: 8

See graphs, $(-2,0), (-1.2,1.6)$

1. See graphs for $y=\sqrt {4-x^2}$ and $y=2x+4$ 2. The two equations give $\sqrt {4-x^2}=2x+4$ or $4-x^2=4x^2+16x+16$ or $5x^2+16x+12=0$ or $(x+2)(5x+6)=0$, thus $x=-2, -1.2$ 3. Use the above results with the 2nd equation to get the intersect(s) $(-2,0), (-1.2,1.6)$