Rotate the axes so that the new equation contains no xy-term. Graph the new equation.x2 + 2xy + y2 - 8x + 8y = 0
A. 
B. 
Answer: A
Mathematics
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How many more pet cats are there than pet dogs? Is it possible to use bar graphs in this case?
A. True B. False
Mathematics
Solve the problem.Paul has grades of 80 and 90 on his first two tests. What must he score on his third test in order to have an average of at least 90?
A. at least 85 B. at most 87 C. at most 90 D. at least 100
Mathematics
Solve the problem.How many spanning trees does the following network have?
A. 5 B. 3 C. 8 D. 4 E. none of these
Mathematics
Use the graph of the rational function f(x) to complete the statement.The equation of the horizontal asymptote is 
.
A. y = -2 B. y = 2 C. y = 5 D. y = 3
Mathematics