Solve the equation.
= -9
A. x = -6
B. x = -3
C. x = -7
D. x = -27
Answer: D
Mathematics
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Plot the point whose polar coordinates are given.(2
, -3?/2)
A. 
B. 
C. 
D. 
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Find the center (h, k) and radius r of the circle with the given equation. 4x2 + 4y2 - 12x + 16y - 5 = 0
A. (h, k) = (- 
, 2); r= 
B. (h, k) = (
, -2); r = 
C. (h, k) = (
, -2); r = 
D. (h, k) = (- 
, 2); r = 
Mathematics
Refer to the graph of the linear functions 
and 
to solve the inequality. Write the solution set in set-builder notation.
y1 > y2
A. 
B. 
C. ?
D. All real numbers
Mathematics
Find the length of the vector given the initial and terminal points.
; A(-1, 8), B(-11, 10)
A. 2
B. 6
C. 104
D. -12
Mathematics