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)