Identify the equation without applying a rotation of axes.x2 + 12xy + 36y2 + 4x + 2y + 3 = 0
A. circle
B. ellipse
C. parabola
D. hyperbola
Answer: C
Mathematics
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Find the area of the specified region.Inside the smaller loop of the limacon r = 5 + 10 sin ?
A. 
B. 25?
C. 5(3
- ?)
D. 
(2? - 3
)
Mathematics
Factor, if possible.5x2y2 - 27xy - 56
A. (5x + 8y)(x - 7y) B. (5xy - 7)(xy + 8) C. (5xy + 7)(xy - 8) D. (5xy + 8)(xy - 7)
Mathematics
Solve the problem.A spotlight has a parabolic cross section that is 6 ft wide at the opening and 2.5 ft deep at the vertex. How far from the vertex is the focus? Round answer to two decimal places.
A. 0.52 ft B. 0.26 ft C. 0.90 ft D. 0.21 ft
Mathematics
Use an analytic method to solve the equation.(2x + 3)1/2 - 1 = (x + 1)1/2
A. {3} B. {3, -1} C. {-3, -1} D. ?
Mathematics