Solve by factoring and using the principle of zero products.5k2 - 9k - 2 = 0
A. -5, 2
B. 
, - 
C. - 
, 2
D. - 
, 5
Answer: C
Mathematics
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Solve the problem.How much work does it take to slide a box 31 meters along the ground by pulling it with a 288 N force at an angle of 10° from the horizontal?
A. 283.6 joules B. 8928 joules C. 8792 joules D. -7491 joules
Mathematics
Find the derivative of the function.y = x5cos x - 8x sin x - 8 cos x
A. -x5 sin x + 5x4 cos x - 8x cos x - 16 sin x B. -5x4 sin x - 8 cos x + 8 sin x C. -x5 sin x + 5x4 cos x - 8x cos x D. x5 sin x - 5x4 cos x + 8x cos x
Mathematics
Use the remainder theorem and synthetic division to find f(k).k = -3 + 2i; f(x) = x2 - 5x - 5
A. -7 B. 20 - 16i C. 15 - 22i D. 15 - 16i
Mathematics
Write the expression in the form a + bi, where a and b are real numbers.-7 + 
A. 7 - 2i
B. -7 - 2i
C. 7 + 2i
D. -7 + 2i
Mathematics