Find the foci of the ellipse.
+
= 1
A. (-2, -18), (-2, 22)
B. (-13, -2), (17, -2)
C. (-18, 2), (22, 2)
D. (-2, -13), (-2, 17)
Answer: D
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Solve the problem.In a sample of 70 widgets, 7 were defective. How many defective widgets would you expect in a sample of 210 widgets?
A. 21 widgets B. 24 widgets C. 19 widgets D. 48 widgets
Find the vertices and foci of the hyperbola. -
= 1
A. Vertices: (-2, 10), (-2, -20); Foci: (-2, -20), (-2, 10) B. Vertices: (15, -2), (-25, -2); Foci: (20, -2), (-30, -2) C. Vertices: (10, -2), (-20, -2); Foci: (-20, -2), (10, -2) D. Vertices: (-2, 15), (-2, -25); Foci: (-2, 20), (-2, -30)
Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.3x2 + 6x - 45
A. 3(x - 3)(x + 5) B. (3x + 9)(x - 5) C. 3(x + 3)(x - 5) D. (x - 3)(3x + 15)
Evaluate the given integral.
?
Fill in the blank(s) with the appropriate word(s).