vector grade 12 (mahmoud)

If c=<-5, 4> and d=<8, 0>, calculate 2c+d

• <-2, 8>
• <-2, 0>
• <6, 8>
• <6, 0>

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

• vertical
• horizontal
• parallel
• slope

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>

u + v

• 4i - j

• 6i + j

• 3j + 4j

• i + 6j

Given u = <3, 7> and v =<-5, 4>, find 2u - 3v

• <21, 2>
• <-11, 26>
• <8, 3>
• 23

If a turtle moves from coordinate
 P = (3,2) to
Q = (5,6).  Which vector models the turtle's motion?

• 〈-2,-4〉
• 〈2,4〉
• 〈8,8〉
• none of these

Given v = 〈3,-5〉 and w = 〈-2,3〉, what is v + w?

• 〈6,-10〉
• 〈1,-2〉
• 〈0,-1〉
• none of these

Given 
v = 〈3,-5〉 and 
w = 〈-2,3〉, what is 2v + 3w?

• 〈6,-10〉
• 〈1,-2〉
• 〈0,-1〉
• none of these

Write in component form.