Perform a rotation of axes to eliminate the xy-term, and sketch the graph of the conic defined by the function
below.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: D
Mathematics
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Determine if the sequence is arithmetic. If the sequence is arithmetic, find the common difference.a1 = 9, an = an - 1 + 7
A. yes, 9 B. yes, 1 C. yes, 7 D. no
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The graphing calculator screens show a system and the point of intersection. Choose the screen which best represents the given system.y = 2.5x + y = 5
A. 
B. 
C. 
D. 
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Graph the system of inequalities.2x + 3y ? 6 x - y ? 3 x ? 1
A. 
B. 
C. 
D. 
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Solve the system by graphing.9x + y = 359x + y = 89
A. {(9, 8)} B. {(0, 0)} C. {(x, y)|9x + y = 35} D. ?
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