Decide whether the statement is true or false. If it is false, tell why.If k is a negative integer, then x2 = k will have two irrational solutions.
A. True
B. False; the equation will have no real number solutions.
C. False; the equation will have two rational solutions.
Answer: B
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A garbage truck must pick up garbage at 4 different dump sites (A, B, C, and D) as shown in the graph below, starting and ending at A. The numbers on the edges represent distances (in miles) between locations. The truck driver wants to minimize the total length of the trip.
The nearest-neighbor tour starting with vertex A is given by:
A. A, B, C, D, A. B. A, B, D, C, A. C. A, D, C, B, A. D. A, C, B, D, A. E. none of these
Find the logarithm using the change-of-base formula.log200 30
A. 5.2983 B. 3.4012 C. 1.5578 D. 0.6419
Solve the problem.At what interest rate must $5900 be compounded annually to equal $11,199.96 after 11 yr? (Round to the nearest percent.)
A. 5% B. 6% C. 7% D. 8%
Solve the system of equations by using the inverse of the coefficient matrix if it exists and by the echelon method if the inverse doesn't exist. 5x + y = 5-2x + 4y = -24
A. No inverse, no solution for system B. (-5, -2) C. (-5, 2) D. (2, -5)