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23 May, 05:46

1. What is the sum of the two vectors (-1,-4) and (3,5) ?

(-5,8)

(2,1)

(0,1)

(-3,-20)

2. Evaluate the following expression: - 1 (5,-1) + 2 (1,1)

(5,-2)

(-3,3)

(-5,2)

(7,1)

3. Evaluate the following expression (1,4) - 5 (1,1)

4. Let v = (8,-4) and w = (-4,2). Which of the following is true?

V * V = 40

The x-component of V is 4

v = - 2w

The y-component of w is 2

5. Which of the following vectors are orthogonal to (-1,3) ? Check all that apply.

(1,3)

(-2,-3)

(3,1)

(-6,-2)

+2
Answers (1)
  1. 23 May, 08:07
    0
    1 (2,1)

    2 (7,1)

    3 Simplified (6,9)

    The others I am not sure about. try splitting up your questions so that more people can answer them.
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