Find the degree of the following polynomial and determine whether it is a monomial, binomial, trinomial, or none of these.21xyz + 15x2z - 5y2z3 + 24xy - x2y2z2
A. 1; trinomial
B. 6; trinomial
C. 5; none of these
D. 6; none of these
Answer: D
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Determine whether the given function satisfies a Laplace equation.f(x, y, z) = 6x2 - 4y2 - 2z2
A. Yes B. No
Solve. Write results using scientific notation.A light-year is the distance that light travels in one year. Find the number of miles in a light-year if light travels 1.86 x 105 miles per second.
A. 5.9 x 1012 miles B. 5.9 x 1014 miles C. 5.9 x 107 miles D. 5.9 x 105 miles
Solve the exponential equation by taking the logarithm on both sides. Express the solution set in terms of logarithms.e3x = 6
A. {3 ln 6}
B. 
C. 
D. 
Solve the problem.A radio transmission tower is 230 feet tall. How long should a guy wire be if it is to be attached 10 feet from the top and is to make an angle of 32° with the ground? Give your answer to the nearest tenth of a foot.
A. 271.2 ft B. 415.2 ft C. 259.4 ft D. 434.0 ft