Find an equation for the circle.Endpoints of a diameter (-3, 2), (-3, -2)
A. x2 + (y - 2)2 = 9
B. (x + 3)2 + y2 = 2
C. (x - 2)2 + y2 = 9
D. (x + 3)2 + y2 = 4
Answer: D
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Simplify.
-2
A. 
B. 16x6
C. 
D. 
Solve the problem. If the base of the log is not specified, assume that it is 10.The loudness of a sound can be approximated by the formula d = 10 log 
, where d is the number of decibels. The higher the value of d, the louder the sound. Find the number of decibels when 
and 
A. 14 decibels B. 10,000 decibels C. 40 decibels D. 4 decibels
Rewrite the equation in standard form. Determine whether the parabola is horizontal or vertical, the direction it opens, and the vertex.y = -5x2 - 120x - 712
A. y = (x - 12)2 + 8 vertical, opens downward, vertex (12, 8) B. y = (x + 12)2 + 8 vertical, opens downward, vertex (-12, 8) C. y = (x - 12)2 + 8 vertical, opens upward, vertex (12, 8) D. y = (x + 12)2 + 8 vertical, opens upward, vertex (-12, 8)
Find the sum of the sequence.
A. 26 B. 0 C. -12 D. 15