Question

Correct answers only please put number with answer ex:(1.A, 2.B, 3.C etc.)

Answer 1

See below for answers and explanations

Explanation:

Problem 1

Here,
`(3)/(4)v` tells us that the vector
`v` is impacted by a scale factor of
`(3)/(4)`, so we are doing scalar multiplication basically for both components of the vector. This only impacts the magnitude of the vector and not its direction. If we were to assume that
`v=\langle4,8\rangle`, then
`(3)/(4)v=\langle(3)/(4)(4),(3)/(4)(8)\rangle=\langle3,6\rangle`. Therefore, this matches vector
`u`, so D is the correct answer

Problem 2

Cannot be able to read as the text is too small

Problem 3

Cannot be able to read as the text is too small

Problem 4

`-7u=\langle-7(8),-7(-4)\rangle=\langle-56,28\rangle=-56i+28j`, so A is correct. Remember to use scalar multiplication for each component.

Problem 5

`r-s=\langle5-9,11-(-8)\rangle=\langle-4,19\rangle`, so B is correct. Remember to subtract the horizontal and vertical components seperately.