Identify the equation without applying a rotation of axes.4x2 - 2xy + 4y2 - 4x - 4y - 5 = 0
A. circle
B. hyperbola
C. ellipse
D. parabola
Answer: C
Mathematics
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Use the substitution method to solve the system.2x + 8y = 4 x = -4y - 2
A. No solution B. (2, 4) C. Infinitely many solutions D. (4, 2)
Mathematics
Factor, if possible.u2 - 2uv - 63v2
A. (u - 7v)(u + 9v) B. (u - v)(u + 9v) C. (u + 7v)(u - 9v) D. (u - 7v)(u + v)
Mathematics
A. Undefined B. 1 C. 0 D. 2
Mathematics
Provide an appropriate response.The revenue R for a product is given by R(x) = 8500x -x2 where x is the number of units sold. Is this function continuous for x = 20?
What will be an ideal response?
Mathematics