anonymous
  • anonymous
On graph paper, plot A(2, 2) and B(14, 10). If C is the midpoint of ,D is the midpoint of , and E is the midpoint of , find the coordinates of E.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
either the question is missing some info or my computer is not displaying characters...
anonymous
  • anonymous
"C is the midpoint of ???" is ??? supposed to be blank?
anonymous
  • anonymous
i will type the info and no

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anonymous
  • anonymous
if c is the midpoint of side AB d is the midpoint of side AC and e is the midpoint of CD
anonymous
  • anonymous
|dw:1333329173685:dw| there's the picture... do you know the midpoint forumula?
anonymous
  • anonymous
no
anonymous
  • anonymous
here is the midpoint formula: x = (x1 + x2)/2 y = (y1 + y2)/2 (x, y ) is your midpoint of (x1, y1) and (x2, y2). so to find point C: x = (2 + 14)/2 = 16/2 = 8 y = (2 + 10)/2 = 12/2 = 6 so the coordinates of point C is (8, 6) you 'll need to do the same procedure to get to point E.
anonymous
  • anonymous
can u plz show the work for e as well
anonymous
  • anonymous
first, do you understand how the coordinates of C was obtained?
anonymous
  • anonymous
yes
anonymous
  • anonymous
ok, so in order to get the coordinates of E, we need the coordinates of D and C because E is the midpoint of segment DC. agree?
anonymous
  • anonymous
yes
anonymous
  • anonymous
do we have the coordinates of C and D?
anonymous
  • anonymous
of c not d
anonymous
  • anonymous
right...|dw:1333330020430:dw| so we must find the coordinates of D.
anonymous
  • anonymous
ok
anonymous
  • anonymous
try it with the same procedure I did...
anonymous
  • anonymous
k hold on plz
anonymous
  • anonymous
i got 5,10
anonymous
  • anonymous
your x coordinate is correct. redo the y coordinate.
anonymous
  • anonymous
D is the midpoint of AC
anonymous
  • anonymous
i know i got 10 for y again..
anonymous
  • anonymous
y = (2 + 6)/2 = 4
anonymous
  • anonymous
no it would be 14+6 cuz thats y1 and y2
anonymous
  • anonymous
|dw:1333330566975:dw| D is between A and C so you must use the coordinates of A and C
anonymous
  • anonymous
ok so now how do we get e
anonymous
  • anonymous
E is the midpoint of D and C. do the same thing...|dw:1333330695149:dw|
anonymous
  • anonymous
ok
anonymous
  • anonymous
6.5 for the first
anonymous
  • anonymous
for x
anonymous
  • anonymous
yep.
anonymous
  • anonymous
and 5 for y
anonymous
  • anonymous
got it!! way to stick with it! good work... :)
anonymous
  • anonymous
thanks:D
anonymous
  • anonymous
yw

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