Let V=(2,8) and W=(-1,-4) which of the following is true?
check all that apply,

A.) The x-component of V is 2
B.) V= -2W
C.) V·W= -34
D.) V and W are perpendicular ​

B, and W are correct i think

Step-by-step explanation:

A.) The x-component of V is 2

B.) V= -2W

C.) V·W= -34

i dont know sorry

step-by-step explanation:

8

step-by-step explanation:

just put √(2) * √(32) into a calculator. that will make the answer be 8.