Find the center and radius of the circle.(x + 5)2 + y2 = 81
A. (-5, 0), r = 9
B. (5, 0), r = 81
C. (0, 5), r = 9
D. (0, -5), r = 81
Answer: A
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What will be an ideal response?
On the real number line, label the points with the given coordinates.
, - 
A. 
B. 
C. 
D. 
Polar coordinates of a point are given. Find the rectangular coordinates of the point.(4, 90°)
A. (-4, 0) B. (0, -4) C. (0, 4) D. (4, 0)
The table lists data that are exactly linear. (i) Find the slope-intercept form of the line that passes through these data points. (ii) Predict y when x = -1.5 and 4.6. 
A. y = 3.6x - 3.5; y = -8.9, y = 13.06 B. y = 3.6x - 7.1; y = -12.5, y = 9.46 C. y = 3.6x + 7.3; y = 1.9, y = 23.86 D. y = 3.6x + 3.7; y = -1.7, y = 20.26