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Mathematics 14 Online
OpenStudy (anonymous):

i think this is an easy question but im just making it hard. A segment has endpoints A (-1, 1) and B (8, 4) . Find the coordinates of the three points that divide the segment into four equal parts. (Named from A to B, X Y Z) Answer in terms of an improper fraction in simplest form. X = ( , ) Y = ( , ) Z = ( , )

OpenStudy (anonymous):

Think about splitting that x distance into four parts and then splitting that y distance into 4 parts.

OpenStudy (anonymous):

How long would each x gap be?

Parth (parthkohli):

Use the midpoint formula for (-1,1) and (8,4) Once you get the midpoint, then get the midpoint of the midpoint and (-1,1) Also get the midpoint of the midpoint and (8,4) You get the three points :)

OpenStudy (anonymous):

That's a decent way of thinking about it also.

OpenStudy (anonymous):

(7/2,5/2?

Parth (parthkohli):

\(\Large \color{Black}{\Rightarrow Midpoint \Rightarrow {x_1 + x_2 \over 2}, {y_1 + y_2 \over 2} }\) @seashell three different points.

Parth (parthkohli):

Yes, then find the midpoint of (-1,1) and (7/2,5/2)

OpenStudy (anonymous):

how do i do that... thats hard

Parth (parthkohli):

Calculator *whistles*

OpenStudy (anonymous):

Same way as before.

OpenStudy (anonymous):

;D gotcha parth

OpenStudy (anonymous):

5/2 anddd

OpenStudy (anonymous):

7/2

Parth (parthkohli):

Yeah think about it for a while lol

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