Final review

Find the magnitude.

• 5

• 3

• 25

• -4

Find the direction angle for the vector <-8, 3>

• 159.44°
• 200.56°
• 110.56°
• 249.44°

• magnitudes are equal

• magnitudes are not equal

• parallel

• not parallel

A vector is a quantity that has both _______ and _________.

Select all that apply.

• direction

• amplitude

• acceleration

• magnitude

• velocity

• True

• False

• You cannot multiply scalars and vectors.

Given an initial point R ( -12, 4 ) and terminal point S ( 28, -17 ), find the component form of the vector RS. Hint: get it into the pointy brackets.

• 〈14,-13〉

• 〈-14,13〉

• 〈-40,-21〉

• 〈40,-21〉

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

(-5+i)-(-5-6i)

• -5i
• -10+7i
• 7i
• -7i

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

• <-10, 2>
• <4, -5>
• <-6, 10>
• <6, -10>