Elianna Fisher

Mathematics

7 June, 12:37

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)