Factor completely. If a polynomial cannot be factored, say it is prime.6x2 - 6y2 + 5xy
A. (2x + 3y)(3x - 2y)
B. (6x + 3y)(x - 2y)
C. prime
D. (2x - 3y)(3x + 2y)
Answer: A
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Write a chain rule formula for the following derivative.
for w = f(p, q, r); p = g(t), q = h(t), r = k(t)
A. 
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B. 
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C. 
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D. 
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Find the gradient field F of the function f.f(x, y, z) = x4e5x + y5z5
A. F = (4 + 5x)x3e5xi + 5y4z5j + 5y5z4k B. F = (4 + 5x)x3e5xi + 5y4j + 5z4k C. F = (1 + x)x3e5xi + y4z5j + y5z4k D. F = (4 + 5x)x3e5xi + (x4e5x + 5y4z5)j + (x4e5x + 5y5z4)k
Divide a measurement of 12.38m by a measurement of 2.5s and round appropriately.
A. 5.0 B. 5.0m/s C. 4.9m/s D. 4.952m/s
Considering the given value of t, choose the ordered pair that lies on the graph of the given pair of parametric equations.x = t2 - 6, y = t2 + 1; t = 3
A. (10, 3) B. (15, 8) C. (8, 15) D. (3, 10)