Rotate the axes so that the new equation contains no xy-term. Graph the new equation.5x2 - 6xy + 5y2 - 8 = 0
A. 
B. 
Answer: A
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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = -2x + 2y
A. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines 
c ? 0
B. Domain: all points in the xy-plane; range: real numbers z ? 0 ; level curves: lines 
c ? 0
C. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
D. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
c > 0
Provide an appropriate response.Reduce 
to lowest terms.
A. 
B. 
C. 1
D. 
Solve the quadratic equation and write the solutions in terms of i.x2 - 12x + 40 = 0
A. x = 4, x = 8 B. x = 6 ± 4i C. x = 6 ± 2i D. x = 6 + 2i
Perform the indicated operation and simplify.
+ 
A. 
B. 
C. 6m - 7
D. 