Identify the vertex of the parabola.P(x) = 2x2 - 16x + 31
A. (4, -1)
B. (-1, 4)
C. (1, -4)
D. (-4, 1)
Answer: A
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Solve the problem.The ocean surface is at 0 ft elevation. A diver is underwater at an elevation of -125 ft near a rock formation. In this area, the ocean floor has an elevation of -225 ft. The rock formation rises to a peak 117 above the ocean floor. How many feet below the top of the rock formation is the diver?
A. 8 ft B. 100 ft C. 108 ft D. 17 ft
Solve using a matrix on a graphing calculator.
A. (2, -4) B. (2, -5) C. (1, -4) D. No solution
Factor completely.64a6 + b3a3
A. a3(4a - b)(16a2 + 4ab + b2) B. a3(4a + b)(16a2 - 4ab + b2) C. (4a2 + ba)(16a4 - 4ba3 + b2a2) D. a3(4 + ab)(16 - 4ab + b2a2)
Find the point from those given that has the given property.The point where the slope of the tangent is least
A. (0.9,-2.32) B. (-0.9,-2.32) C. (1.8,-0.01)