Adding and Subtracting Vectors

If vector a= (4, -5) and vector b= (-7, 4) Find a+b

• (3, 9)

• (-3, -1)

• (11, 1)

• (-3, -9)

If vector a= (4, -5) and vector b= (-7, 4) Find a-b

• (-11, -9)

• (11, 9)

• (11, -9)

• (-3, -1)

If vector a= (4, -5) and vector b= (-7, 4) Find 2a-3b

• (29, -22)

• (13, -2)

• (1, 7)

• (29, -2)

When adding two vectors graphically, a+b=c. Does b+a produce the same resultant vector c?

• Yes, two vectors added together always produce the same resultant vector

• No, because order matters

• Yes, but c will be pointing in the opposite direction

• No, because you can't add two vectors

When subtracting two vectors, a-b=c. Does b-a produce the same resultant vector c?

• Yes, two vectors subtracted together always produce the same resultant vector

• No, because order matters

• Yes, but c will be pointing in the opposite direction

• No, because you can't subtract two vectors

Which vector equation matches the vector operation shown in the diagram below?

• u-v=w

• u-v=-w

• u+v=w

• v+u=-w

Which vector equation matches the vector operation shown in the diagram below?

• u+v=w

• w+u=v

• v+w=-u

• w+u=-v

Which vector equation matches the vector operation shown in the diagram below?

• u+w=-v

• v+u=w

• w+u=v

• -v+w=2u

Which vector equation matches the vector operation shown in the diagram below?

• v+w=-u

• w-u=-v

• w-u=v

• -u+v=w

Let vector a= (5, -7) and vector b= (-12, 2) Find 2b-4a

• (44, -32)

• (-4, 24)

• (-44, 32)

• (4, -24)