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3 votes
3 votes
What are the coordinates of the point

3
of the way from A to B?
у
4
B
2
1
+2
lo
-21
А

What are the coordinates of the point 3 of the way from A to B? у 4 B 2 1 +2 lo -21 А-example-1
User Alex Nauda
by
3.0k points

1 Answer

23 votes
23 votes

9514 1404 393

Answer:

(-3 1/2, 1 1/4)

Explanation:

For some point P, we want ...

(P -A)/(B -A) = 3/4

4P -4A = 3B -3A

4P = 3B +A

P = (3B +A)/4 = (3(-3, 3) +(-5, -4))/4 = (-9-5, 9-4)/4 = (-14, 5)/4

P = (-7/2, 5/4) = (-3 1/2, 1 1/4) . . . . the desired point

User Nicholas Tower
by
3.1k points