Rotate the axes so that the new equation contains no xy-term. Graph the new equation.31x2 + 10xy + 21y2 -144 = 0

A.

B.


Answer: A

Mathematics

You might also like to view...

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