Precalculus Final Exam Review Worksheet With Answer Key - Math 170, Santa Ana College Page 6

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Solve the system
42) x - 2y = 3
42)
x 2 - xy = 20
Graph the solution set of the system of inequalities or indicate that the system has no solution.
43) x 2 + y 2
25
43)
y > 3 x
Graph the ellipse and locate the foci.
x 2
y 2
44)
= 1
44)
+
49
16
Find the standard form of the equation of the ellipse satisfying the given conditions.
45) Foci: (0, -4), (0, 4); vertices: (0, -5), (0, 5)
45)
Find the vertices and locate the foci for the hyperbola whose equation is given.
y 2
x 2
46)
= 1
46)
-
25
49
6

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