Name the conic or limiting form represented by the given equation.8x2 + 80x + 8y2 - 176y = -1167
A. Ellipse
B. Empty set
C. Point
D. Circle
Answer: D
Mathematics
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Match the equation with the surface it defines.f(x, y) = 
A. 
B. 
C. 
D. 
Mathematics
Use an equation to solve the problem.The average price of homes in one neighborhood decreased 8% since last year, a drop of $5,400. What was the average price of a home last year?
A. $64,500 B. $69,500 C. $68,500 D. $67,500 E. $71,500
Mathematics
Solve the system by the addition method.x2 - y2 = 9x2 + y2 = 51
A. {(
, 
), (-
, 
)}
B. {(
, 
), (-
, -
)}
C. {(0, 0)}
D. {(
, 
), (-
, 
), (
, -
), (-
, -
)}
Mathematics
Use the change-of-base rule to find the logarithm to four decimal places.log4.1 61
A. 1.7853 B. 0.3432 C. 14.8780 D. 2.9135
Mathematics