Write an equation for the ellipse.foci at (0, 11), (0, -11), through the point 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: A
Mathematics
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Determine if the type of relation is linear, nonlinear, or none.
A. nonlinear B. none C. linear
Mathematics
Find any relative extrema.f(x, y) = x2 + xy + y2 - 3x + 2
A. f(2, -1) = -1, relative minimum B. f(2, -1) = -1, relative maximum C. f(-2, 1) = 11, relative maximum D. f(-2, 1) = 11, relative minimum
Mathematics
Graph the equation.y = ?-8 - x?
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation(s). Where possible, reduce the answer to lowest terms.
A. 10 B. 8 C. 6 D. 9
Mathematics