Find the axis of symmetry of the quadratic function.f(x) = -7(x - 2)2 - 5
A. x = -5
B. x = -7
C. x = 2
D. x = -2
Answer: C
Mathematics
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Solve the problem.A ball is dropped from a height of 3.0 m. On each upward bounce the ball returns to 
of its previous height. Find the total vertical distance the ball travels before coming to rest.
A. 9.0 m B. 15.0 m C. 16.0 m D. 16.7 m
Mathematics
Multiply.0.20 × 1000
A. 200 B. 2000 C. 20 D. 0.20
Mathematics
Give the center and radius of the circle. Then sketch its graph.(x - 1)2 + (y + 5)2 = 25
A. center (1, - 5), r = 5
B. center (1, 5), r = 5
C. center (- 1, 5), r = 5
D. center (- 1, - 5), r = 5
Mathematics
Find the center (h, k) and radius r of the circle with the given equation. x2 + y2 + 8x - 4y + 20 = 64
A. (h, k) = (-2, 4); r = 64 B. (h, k) = (-4, 2); r = 8 C. (h, k) = (2, -4); r = 8 D. (h, k) = (4, -2); r = 64
Mathematics