Vector Quiz

A vector has an initial point at (-4, -5) and a terminal point at (3, 2). Write the component form of the vector.

• <7, 7>

• <-7, -7>

• <-1, -3>

• <1, 3>

Given vector n = <35, 0> and p = <60, 8>, find n + p

• <95, 8>

• <25, 8>

• <-25, -8>

• <-95, -8>

Given vectors t = <75, 125> and u = <50, 50> find t - 2u

• <-25, 25>

• <25, -25>

• <25, 75>

• <25, 25>

What is the resultant vector if the two vectors are added together? (What is the displacement?)

• <3, 6>

• <-9, -8>

• <9, 8>

• <6, 3>

What is the magnitude of the vector <-2, 8>?

Find the magnitude given a vector with initial point at (7, -6)

and terminal point at (8, -3).

Find the direction from the horizontal of the vector <4, -4>

• 45°45\degree

  45°

• 135°135\degree

  135°

• −45°-45\degree

  −45°

• 315°315\degree

  315°

Find the magnitude (in radical form) of the vector <3, 5>

Mathematical Equivalence

ON

Find the direction from the horizontal of the vector <3, 8>

(Round your answer to the nearest whole number of degrees and enter just the number)

Mathematical Equivalence

ON

Jessica is paddling due north in a kayak at 7 feet per second. The river is moving with a velocity of 3 feet per second due west. What is the resultant speed Jessica is moving to an observer on shore?

(Round your answer to the nearest tenth and enter just the number)