Vectors basics

How long is a unit vector?

What is the angle between vectors i and j?

What do we call the length of a vector?

What is the opposite vector of v(4;5)?

Which one of these vectors points toward the lower left corner of the coordinate system?

• (7;8)

• (-7;8)

• (7;-8)

• (-7;-8)

Write in component form.

• (0, 4)

• (8, 2)

• (2, 8)

• (0, 2)

• OB + BC = OC

• OA + AC = OC

• CB + B0 = -OC

• OD = 0.5(OA + AC)

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

• u+v=w

• w+u=v

• v+w=-u

• w+u=-v

Tags

CCSS.HSN.VM.A.1

CCSS.HSN.VM.B.4

CCSS.HSN.VM.C.10

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

• u+w=-v

• v+u=w

• w+u=v

• -v+w=2u

Tags

CCSS.HSN.VM.A.1

CCSS.HSN.VM.B.4

CCSS.HSN.VM.C.10

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

• v+w=-u

• w-u=-v

• w-u=v

• -u+v=w

Tags

CCSS.HSN.VM.A.1

CCSS.HSN.VM.B.4

CCSS.HSN.VM.C.10