Unit 7 Obj. 4 HW

If v =〈a,b〉, then a is the ___________ component of v.

• vertical
• horizontal
• parallel
• slope

Tags

CCSS.HSN.VM.A.2

If v =〈a,b〉 , then _____ is the vertical component of v.

• a
• i
• b
• j

Tags

CCSS.HSN.VM.A.1

Find the magnitude of the vector <-4, -6>.

• 7.211
• 52
• 3.162
• 4.472

Tags

CCSS.HSN.VM.A.1

Which vector does not have magnitude 10?

• 〈-6,-8〉
• 〈6,-8〉
• 〈6,4〉
• 〈6,8〉

Tags

CCSS.HSN.VM.A.1

To find a position vector take

• initial minus terminal
• initial plus terminal
• terminal minus initial
• terminal plus initial

Tags

CCSS.HSN.VM.A.2

Write the position vector <x,y> for R(4,6) and T(-3,0)

• <7,6>

• (-7,-6)

• <-7,-6>

• <-1,6>

Given v=<4,0> and w=<-5,9> find  $\parallel v-w\parallel$  

• -6.3

• 4

• <9,-9>

• 12.7

Find the unit vector that has the same direction as v.

v=<-6,1>

• $<-\frac{6\sqrt{37}}{37},\frac{\sqrt{37}}{37}>$

• $\sqrt{37}$

• $<-\frac{6}{\sqrt{37}},\frac{1}{\sqrt{37}}>$

• not possible