SOLUTION: 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

Algebra ->  Trigonometry-basics -> SOLUTION: 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      Log On


   

Question 389047: 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
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Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
ab=b-a=(-2.8-%28-4.3%29,0.2-%28-0.9%29)
ab=b-a=(-2.8%2B4.3,0.2%2B0.9)
Then to find the magnitude,
abs%28ab%29=+sqrt%28%28-2.8%2B4.3%29%5E2%2B%280.2%2B0.9%29%5E2%29%29