Question

Find the ordered pair that represents the vector from A(-4.3,-0.9) to B(-2.8,0.2)? Then find the magnitude of AB.

A. (1.5,1.1); 3.46
B. (-7.1, -0.7); 7.13
C. (1.5, 1.1); 1.86
D.(-7.1, -1.1); 7.18
I got C, is this right?

Answer 1

-2.8 - (-4.3) = 1.5
0.2 -(-0.9) = 1.1 so A or C so far
sqrt (1.5^2 + 1.1^2) = 1.86 so C

Answer 2

thanks for checking!!