Find the length and direction (when defined) of u × v.u = 5i, v = 3j
A. 5; 3k
B. 15; 15k
C. 15; k
D. 15; -k
Answer: C
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Solve the problem.Suppose a legislative assembly is considering a new bill (n) to replace existing law (e), and two amendments (ax, ay) are considered. The results of all pairwise comparisons are given in the table. 
If Amendment ay is proposed and then Amendment ax, the order of the sequential pairwise comparisons needed to determine the legislative outcome is n, ay, ax, e. What is the choice of the representatives in this case?
A. e B. ay C. ax D. n
Use a graphing utility to find or approximate the x-intercepts of the graph of the quadratic function.y = x2 + 6x + 8
A. (12, 0), (-4, 0)
B. (-2, 0), (-4, 0)
C. (
, 0) (- 
, 0)
D. (2, 0), (4, 0)
Use the graph to evaluate the function value.f(-2)
A. 4 B. 0 C. -2 D. 2
Solve the system of equations.
A. (-4, -1) B. (4, 1) C. (4, 1), (-4, -1) D. No solution