Identify the equation without applying a rotation of axes.2x2 - 12xy + 3y2 - 2x - 3y + 1 = 0
A. hyperbola
B. parabola
C. ellipse
D. not a conic
Answer: A
Mathematics
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Solve the inequality and write the solution set in interval notation.
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A. 
B. 
C. 
D. 
E. 
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Graph the set of real numbers on a number line.{x|-5 ? x ? -1}
A. 
B. 
C. 
D. 
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Solve the problem.Two pipes can be used to fill a pool. Working together, the two pipes can fill the pool in 
The larger pipe can fill the pool in 4 hours less time than the smaller pipe can alone. Find the time to the nearest tenth of an hour it takes for the smaller pipe working alone to fill the pool.
A. 8.7 hr B. 4.7 hr C. 4.6 hr D. 8.6 hr
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Perform the indicated operations.26 + 16 ? 24 - 28
A. 980 B. -168 C. 382 D. 38
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