Vector Magnitude and Direction

 $p=<3,\ -9>$  

Find the magnitude to the nearest tenth.

For vectors  $\overrightarrow{AB}$  and  $\overrightarrow{CD}$ , determine if they have the same magnitude, and whether they are parallel.
A(11, -11) and B(8, -4) 
C(5, 2) and D(12, -1)
Select all that apply.

• magnitudes are equal

• magnitudes are not equal

• parallel

• not parallel

 $q=<-3,\ 11>$  
Find the direction angle to the nearest tenth.  

What is the direction angle for a vector whose component form is $<0,\ -3>$  

• 0 degrees

• 90 degrees

• 180 degrees

• 270 degrees

A vector is a quantity that has both _______ and _________.

Select all that apply.

• direction

• amplitude

• acceleration

• magnitude

• velocity

Tags

CCSS.HSN.VM.A.1

Given vector u $=<-8,-4>$  in what quadrant will the vector be in?

• I

• II

• III

• IV

Tags

CCSS.HSN.VM.A.1

Find the direction angle and magnitude of the vector <-7, 0>

Select all that apply.

• magnitude = 7

• magnitude = -7

• 90°

• 180°

• 270°

Tags

CCSS.HSN.VM.A.1

Find the magnitude of a vector using ...

• Sine & Cosine
• Inverse Tangent
• Pythagorean Theorem
• Multiplication

Tags

CCSS.HSN.VM.A.1

Which of the following is always positive?

• vector
• scalar
• direction
• magnitude

Tags

CCSS.HSN.VM.A.1

What is a scalar?

• A quantity described by direction only

• A quantity described by magnitude only

• A quantity described by both a magnitude and a direction

• A quantity with a magnitude of one

• An empty quantity