1. Find the cross product {image} . {image} .1. 2. 3. 4. 5. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

2. Find {image} correct to three decimal places where {image} .
7.250
20.286
5.438
43.503
48.503 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

3. Use the scalar triple product to identify the coplanar vector(s) below
Use the scalar triple product to identify the coplanar vector(s) below. Select the correct answer(s).
{image}
None of these 1. 2. 3. 4. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

4. Let P be a point not on the line L that passes through the points Q and R. Use the formula {image} where {image} to find the distance from the point P ( 0, 3, -2 ) to the line through Q ( 0, -3, 4 ) and R ( 4, -2, 0 ).
d=6.7
d=5.4
d=8.0
d=7.3
d=6.5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50