Solve the problem.Which of the following vectors is orthogonal to 20i - 8j?
A. w = 20i + 4j
B. w = 4i + 3j
C. w = -10i - 25j
D. w = 15i - 6j
Answer: C
You might also like to view...
Solve the problem.Refer to the following preference schedule.
Find the winner by a Borda count.
A. D B. C C. B D. A
Solve the problem.The sum of three numbers is 3. The first, minus the second, plus 4 times the third, is -10. The third, plus 2 times the first, plus the second, is 2. What are the numbers?
A. -1, -1, 5 B. 1, -5, 1 C. -1, 5, -1 D. No solution
Write the equation of the line using the information given about its graph.Rate of change -6, y = -8 when x = 0
A. y = -6x + 6 B. y = -6x - 8 C. y = -8x - 6 D. y = -6x + 8
Solve the problem.A cross-section of an irrigation canal is a parabola. If the surface of the water is 43 ft wide and the canal is 
deep at the center, how deep is it 18 ft from the edge?
A. 2 ft B. 5.8 ft C. 4 ft D. 0.2 ft