Use the zero-product property to find all complex solutions of the equation.x4 + 81x2 = 0
A. 
B. {0, ±9i}
C. {0, -9i}
D. {±9i}
Answer: B
Mathematics
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Find the slope of the line.
A. 0 B. 2 C. -2 D. Undefined
Mathematics
A city crew must paint the median divider along each of the 48 streets in the neighborhood shown below (starting and ending at A). The foreman wants to organize the route in the most efficient possible way.
An optimal eulerization of the graph that models this problem can be obtained by adding
A. 12 edges. B. 8 edges. C. 6 edges. D. 16 edges. E. none of these
Mathematics
Evaluate the quotient function at the indicated value.Given f(x) = 4 - 25x2 and g(x) = 6 - 25x + 25x2, find 
(0).
A. 
B. 
C. 1
D. undefined
Mathematics
Solve. Give your answer as a mixed number if appropriate. 
= 
A. 3
B. 5
C. 5
D. 7
Mathematics