Find the focus and directrix of the parabola.x2 + 8y = 0
A. (0, -2); y = 2
B. (0, -2); y = -2
C. (0, -2); x = 2
D. (-2, 0); y = 2
Answer: A
Mathematics
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Determine convergence or divergence of the alternating series.
A. Diverges B. Converges
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Find y '.y = (x2 - 4x + 2)(3x3 - x2 + 5)
A. 15x4 - 52x3 + 30x2 + 6x - 20 B. 15x4 - 48x3 + 30x2 + 6x - 20 C. 3x4 - 52x3 + 30x2 + 6x - 20 D. 3x4 - 48x3 + 30x2 + 6x - 20
Mathematics
Find the LCD for the fractions in the list.
, 
A. -4(x - 4)(x + 5) B. -4(x - 4)(x - 5) C. -4(x + 4)(x - 5) D. -4(x + 4)(x + 5)
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Solve.
The Grahams built a new home and amortized $259,000 for 20 years at 6.5%. Find the monthly mortgage payment.
A. $1,639.47 B. $1,932.14 C. $1,857.03 D. $2,009.84
Mathematics