Find the vertices of the hyperbola.9(x + 6)2 - 25(y - 5)2 = 225
A. (-6, 8) and (-6, 2)
B. (6, -2) and (6, -8)
C. (1, -5) and (11, -5)
D. (-11, 5) and (-1, 5)
Answer: D
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Evaluate the expression xy for the given values of the variables.x = -3.43, y = -6.1
A. -2.67 B. 9.53 C. 20.923 D. -9.53
Solve the problem.A formula relating an athlete's vertical leap V, in inches, to hang time T, in seconds, is V= 48T2. A professional basketball player has a vertical leap of 32 inches. What is his hang time? Round your answer to the nearest tenth of a second.
A. 0.9 sec B. 0.5 sec C. 0.7 sec D. 0.8 sec
Factor the polynomial completely.8a4 - 18b2
A. 2(2a2 + 3b)(2a2 - 3b) B. 2(2a2 - 3b)2 C. (4a2 + 6b)(2a2 - 3b) D. 2(2a2 + 3b)2
Find the quotient using long division.
A. x2 + 2x + 4 +
B. x2 + 2x + 4
C. x2 - 2x + 8 +
D. x2 + 2x +