Vector Review

Write in component form.

• <0, 4>

• <8, 2>

• <2, 8>

• <0, 2>

If w = <2, -5> and y = <2, 0>, find 2w + y

• <-10, 2>

• <4, -5>

• <-6, 10>

• <6, -10>

u + v

• 4i - j

• 6i + j

• 3j + 4j

• i + 6j

Find the magnitude of the vector <2, -3>.

• √11
• 13
• √-4
• √13

Find the magnitude of the vector <-4, -6>.

• 7.211
• 52
• 3.162
• 4.472

Find the magnitude of vector AB if the initial point is (-3, 1) and the terminal point is (3, 9).

• 6
• 8.2
• 10
• 10.4

Find the direction of the vector <-3, -5>.

• 59.03°
• 239.03°
• 210.96°
• 120.96°

Given vector v, find the direction angle.

• 18.4

• 71.6

• 70.5

• 19.5

Find the direction of the vector <2, -5>.

• 292⁰
• 68⁰
• 112⁰
• 22⁰