Precalculus Vectors Review

Find the component form of AB with initial point A(1, -3) and terminal point B(1, 3)

• <2, 0>
• <0, 6>
• 2i
• 6j

Find the component form of AB with initial point A(0, 8) and terminal point B(-9, -3)

• -9i + 5j
• -9i - 11j
• <-9, -11>
• <-9, 5>

• The scalar product of v and w
• Dot product of v and w
• vector v times vector w
• V x W

• Direction of AB
• Distance of vector AB
• Vector AB
• Magnitude of vector AB

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

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

If y = <2, 0> and z = <-1, -4>, find 3y - 2z

• <5, -8>
• <4, 8>
• <8, 8>
• <-8, -8>

Find the magnitude of AB if the initial point is (-3, 1) and the terminal point is (3, 9)

• 6
• 8.2
• 10
• 10.4

Is this a scalar quantity or a vector quantity?
Wind blowing at 20 knots

• Scalar
• Vector

Is this a scalar quantity or a vector quantity?
A 15-pound tire hanging from a rope

• Scalar
• Vector

Is this a scalar quantity or a vector quantity?
A deer running 15 meters per second due west

• Scalar
• Vector