Answer
See graphs, $none$
Work Step by Step
1. See graphs for $x^2+y^2=4$ and $y=x^2-9$
2. Add up the two equations to get $y^2+y=-5$ or $y^2+y+5=0$, there is no real solution to this equation.
3. Thus, we can find the intersect(s): $none$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 10 - Systems of Equations and Inequalities - Section 10.6 Systems of Nonlinear Equations - 10.6 Assess Your Understanding - Page 794: 21
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