Identify the equation without applying a rotation of axes.10x2 + 8
xy + 2y2 - 41 = 0
A. parabola
B. ellipse
C. circle
D. hyperbola
Answer: D
Mathematics
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Solve the problem.Find the equation for the tangent plane to the surface 
at the point 
A. 2x + y - 11z = 1 B. 2x + y - 11z = -8 C. -8x - 6y - z = -11 D. -8x - 6y - z = -16
Mathematics
Evaluate the expression.(-10)2
A. 100 B. 20 C. -20 D. -100
Mathematics
Which single measure of central tendency - mean, median, or mode - would you say best describes the given set of measurements?
A. The Median B. The Mode C. The Mean
Mathematics
Add.-3 + (-38)
A. 41 B. 35 C. -41 D. -35
Mathematics