Vectors Quiz

A vector has both ____ and _____

• speed and length
• magnitude and direction
• degrees and radians
• style and grace

Find the magnitude.

• 0

• 5

• -5

• 4

Determine the direction of <8, -2>

• 346 degrees

• 14 degrees

• 166 degrees

• 194 degrees

Which are equivalent vectors?

• u and -u

• u and a

• u and v

• u and b

Another name for the "tip" of the vector

• Terminal point

• Initial point

• Standard position

• Direction

When the vector's initial point is at the origin, it is in ___.

• quadrant bearing

• true bearing

• resultant

• standard position.

Find the dot product of the given vectors.

b = <−9, 6> ; c = <6, 4>

• 30

• -30

• <-54 , 24>

• <24 , -54>

Find the dot product of the given vectors.

b = <7, -4> ; c = <1, -9>

• 43

• -43

• <7 , 36>

• <36 , 7>

Determine whether the vectors are orthogonal.

e = <−1,− 5> ; f = <10,− 2>

• yes

• no

What is another name for orthogonal?

• Parallel

• Perpendicular

• Acute

• Obtuse