Adding and subtracting vectors

These vectors are?

• Both negative

• Tail to tail

• Head to head

• A resultant vector

If a duck waddles from coordinate
 P = (-3, 2) to
Q = (6,5), then a vector that models the duck's motion is

• 〈-3,7〉
• 〈-9,3〉
• 〈9,-3〉
• 〈9,3〉

If a = <-5,3> and b=<4, 5>. Which shows a-b? (select all that apply)

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Which of the following is the CORRECT diagram that applying polygon rule for a − c − d?

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Direction of resultant of two vectors is given by

• cos^-1(A_y + B_y/A_x + B_x)

• cos-1(Ax + By/Ay + Bx)

• tan^-1(A_y + B_y/A_x + B_x)

• tan^-1(A_y - B_y/A_x - B_x)

The diagram shows a resultant vector, R. Which diagram best represents a pair of component vectors, A and B, that would combine to form resultant vector R?

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If a turtle moves from coordinate
 P = (3,2) to
Q = (5,6).  Which vector models the turtle's motion?

• 〈-2,-4〉
• 〈2,4〉
• 〈8,8〉
• none of these

• A
• B
• C
• D