Multiple choice
1. if a = [1, 2] b = [2, 7] find a + 2b
A.3 √10 B. [6, 18] C. [5, 16] D. √281
2. if p = [ 5, -3] and q = [ 1, 4] find |p - 51|
a. [0, 23] b. 23 c. 529 d. [4, -7]
3. if a = [ 5, -5] and b = [-5, 5] find A x B (A multiply by B)
a. 50 b. 0 c. -50 d. 625
4. if a = [5, -4, 3] and b = [-2, 3, k] find k such that a and b are orthogonal
a. 1 b. 3 c. 7 d. 22/3
5. Which vector is collinear with [2, -3]
a. [2, -6] b. [-2, -3] c. [12, 18] d. [-4, 6]
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