Find the center of the ellipse.16x2 + 32x + 25y2 - 200y + 16 = 0
A. (-6, 4)
B. (4, -6)
C. (4, -1)
D. (-1, 4)
Answer: D
Mathematics
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Solve the problem.Find an equation for the level surface of the function 
that passes through the point (?, ?, 1) .
A. cos 
= 2?
B. 
= 2?
C. cos 
= 0
D. 
= 1
Mathematics
Determine the linear function f(x) that is graphed.
A. f(x) = 3x + 4
B. f(x) = 
x + 4
C. f(x) = -3x + 4
D. f(x) = 
x - 3
Mathematics
Multiply and simplify.(
- 2)(
- 3)
A. 
- 3
- 2
+ 6
B. 5
+ 6
C. 
+ 
+ 6
D. 
+ 6
Mathematics
Find the domain of the expression.
A. all real numbers B. {m|m ? 4} C. {m|m ? 8} D. {m|m ? -8}
Mathematics