Write the following equation in standard form. Determine the center of the ellipse.36x2 + 216x + 25y2 + 50y - 551 = 0
A. (3, -1)
B. (-2, -1)
C. (-3, -1)
D. (-1, -3)
Answer: C
Mathematics
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Set up an integral for the length of the curve.x = sin 6y, - ? ? y ? 0
A. 
B. 
C. 
D. 
Mathematics
Find the equation from the graph.
A. y = -x - 4 B. y = x + 4 C. y = -x + 4 D. y = x - 4
Mathematics
Simplify where possible. Then solve the equation.9 - 5 = 2r
A. r = 
B. r = 0
C. r = 2
D. r = 
Mathematics
Solve the polynomial inequality. Express your solution on a number line using interval notation.x(x - 3)(x + 9)(x + 5) > 0
A. (-?, -9) ? (-5, 3)
B. (-9, -5) ? (0, 3)
C. (0, ?)
D. (-?, -9) ? (-5, 0) ? (3, ?)
Mathematics