Find the magnitude of u × v and the unit vector parallel to u × v in the direction of u × v.u = 2i + 2j - k, v = -i + k
A. 9; 
i - 
j + 
k
B. 3; 
i - 
j + 
k
C. 9; 
i + 
j - 
k
D. 3; 
i + 
j - 
k
Answer: B
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Graph the system of inequalities. Shade the region that represents the solution set.y? - x2 + 8x - y< 2
A. 
B. 
C. 
D. 
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Fill in the blank(s) with the appropriate word(s).
Perform the indicated operation. Simplify, if possible.- 
- 
A. 
B. 
C. 
D. 
Find an equation for the line. Then write your answer in the form 
With y-intercept 2 and slope 3
A. y = 2x + 3; 2x - y - 3 = 0 B. y = 3x - 2; 3x - y - 2 = 0 C. y = 2x + 3; 2x - y + 3 = 0 D. y = 3x + 2; 3x - y + 2 = 0