Find the center (h, k) and radius r of the circle with the given equation. x2 - 14x + 49 + (y - 5)2 = 64
A. (h, k) = (7, 5); r = 8
B. (h, k) = (-5, -7); r = 64
C. (h, k) = (-7, -5); r = 64
D. (h, k) = (5, 7); r = 8
Answer: A
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A. x = 36 sec t, y = 64 tan t B. x = 6 sec t, y = 10 tan t C. x = 6 sec t, y = 8 tan t D. x = 8 sec t, y = 6 tan t
Convert the polar equation to a rectangular equation.r =
A. 17x2 + 16y2 - 16x - 64 = 0 B. 16x2 + 16y2 + 16x - 64 = 0 C. 15x2 + 16y2 + 16x - 64 = 0 D. 16x2 + 15y2 + 16y - 64 = 0
Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = -10x2 - 2x - 3
A. vertex
intercept (0, -3)
B. vertex
intercept (0, -3)
C. vertex
intercept (0, 3)
D. vertex
intercept (0, 3)
Add and simplify. +
A.
B.
C.
D.