Find the length and direction (when defined) of u × v.u = 4i + 6j , v = i - j
A. 2; -2k
B. 2; 2k
C. 10; -10k
D. 10; -k
Answer: D
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Use scientific notation to solve the problem.The earth is approximately 92,900,000 miles from the sun. 
x 103 m, what is the distance to the sun in meters?
A. 1.50 x 1011 m B. 5.7 x 1010 m C. 1.50 x 1010 m D. 5.7 x 10-10 m
Solve the problem.A 550-seat theater will sell tickets at $25 and $14 for a particular concert. Let x and y represent the number of tickets that will sell for $25 and $14, respectively. Assume that the show will sell out. How many of each ticket must be sold for the revenue to be $9680?
A. 270 tickets at $25 280 tickets at $14 B. 180 tickets at $25 370 tickets at $14 C. 370 tickets at $25 180 tickets at $14 D. 280 tickets at $25 270 tickets at $14
Graph the numbers on the number line.-1
, 1, 3, 5
A. 
B. 
C. 
D. 
Graph the polynomial function. f(x) = x3 + 9x2 - x - 9
A. 
B. 
C. 
D. 