Solve the problem.Let H(x) = 3x2 - 12x. Find x such that (x, -12) is on the graph of H(x).
A. x = -2
B. x = ±2
C. no solution
D. x = 2
Answer: D
Mathematics
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Solve the problem.The period of vibration P for a pendulum varies directly as the square root of the length L. If the period of vibration is 2 sec when the length is 16 inches, what is the period when L = 4 inches?
A. 3 sec B. 1 sec C. 2.5 sec D. 2.75 sec
Mathematics
Solve the triangle.
A. C = 35°, a = 13.57, c = 20.49 B. C = 40°, a = 20.49, c = 13.57 C. C = 30°, a = 13.57, c = 20.49 D. C = 35°, a = 20.49, c = 13.57
Mathematics
Find the LCM.10, 6, 15
A. 6 B. 10 C. 30 D. 15
Mathematics
Determine if each ordered pair is a solution to the given system of inequalities in two variables.xy = 56x + y = -15(i) (-8, -7); (ii) (7, 8)
A. (i) Yes; (ii) Yes B. (i) Yes; (ii) No C. (i) No; (ii) No D. (i) No; (ii) Yes
Mathematics