Find the coordinates of the vertices and foci of the ellipse.
+ 
= 1
A. V(-25, 0), V(25, 0), F(-20, 0), F(20, 0)
B. V(0, -25), V(0, 25), F(0, -15), F(0, 15)
C. V(0, -25), V(0, 25), F(0, -20), F(0, 20)
D. V(-25, 0), V(25, 0), F(-15, 0), F(15, 0)
Answer: A
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Multiply and simplify.
? 
A. 5m
B. 
C. 
D. 10
Determine if each ordered pair is a solution to the given system of inequalities in two variables.x2 = y2 + 39x - y = 3(i) (8, -5); (ii) (-8, -5)
A. (i) Yes; (ii) No B. (i) Yes; (ii) Yes C. (i) No; (ii) Yes D. (i) No; (ii) No
Find the indicated intersection or union.{q, s, u, v, w, x, y, z} ? {q, s, y, z}
A. {q, s, u, v, w, x, y, z} B. {s, u, w} C. {s, u, v, w, x, z} D. {v, x}
Solve the inequality and write the solution set using interval notation; then graph the solution set on a number line. x2 + 5x ? -6
A. [-3, -2]
B. (-?, -3]
C. (-?, -3] ? [-2, ?)
D. [-2, ?)