Rotate the axes so that the new equation contains no xy-term. Graph the new equation.31x2 + 10
xy + 21y2 -144 = 0
A. 
B. 
Answer: A
Mathematics
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Find the indicated trigonometric function, where ? is the radian measure of the given angle. Give an exact answer with a rational denominator.Find sin ?.
A. 
B. 
C. 
D. 
Mathematics
Find the slope of the line containing the given pair of points. If a slope is undefined, state that fact.(4, 7) and (-8, 7)
A. - 
B. 0
C. - 
D. Undefined
Mathematics
Find the general solution for the differential equation.
- 6x2 = 4
A. y = 2x3 + 2x + C B. y = 2x3 + 4x + C C. y = 2x3 - 2x + C D. y = -2x3 + 4x + C
Mathematics
Solve the equation.b - 8 = 1
A. {7} B. {9} C. {-9} D. {-7}
Mathematics