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The midpoint of a line segment with end points as (10, y1) and (6, 7) is (8, 6). What is the value of y1?
Midpoint formula is (x1 + x2)/2 , (y1 + y2)/2 but I keep getting a wrong answer.
 one year ago
 one year ago
The midpoint of a line segment with end points as (10, y1) and (6, 7) is (8, 6). What is the value of y1? Midpoint formula is (x1 + x2)/2 , (y1 + y2)/2 but I keep getting a wrong answer.
 one year ago
 one year ago

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amistre64Best ResponseYou've already chosen the best response.0
write down the number 6, thats and end write down the number 7, thats halfway to where youwant to be whats the next number that would get you all the way?
 one year ago

jazyBest ResponseYou've already chosen the best response.0
(y + 7) /2 = 6 I solve for y, right^
 one year ago

amistre64Best ResponseYou've already chosen the best response.0
the midpoint formula uses ends to find middle; you got a middle and end mixed up
 one year ago

amistre64Best ResponseYou've already chosen the best response.0
6, 7, y , lets move this to the start at 0 6 6 6  0 , 1 , n ; since you moved 1 to get halfway, move 1 again to get to the end; n = 1+1 = 2 , now move this all back to start at 6 :) 0 , 1 , 2 +6 +6 +6  6 , 7 , 8
 one year ago

amistre64Best ResponseYou've already chosen the best response.0
its not the "formula", but it is the concept behind finding the middle and extremes
 one year ago

phiBest ResponseYou've already chosen the best response.1
(y + 7) /2 = 6 I solve for y, right^ yes, this is one way to find the answer another way is notice that if you start at one end (6,7) and move (2,1) you get to the mid point (8,6). move the same amount (2,1) from the mid point to get to the other end.
 one year ago

jazyBest ResponseYou've already chosen the best response.0
Oh okay, now I understand. Thank you! (:
 one year ago

jazyBest ResponseYou've already chosen the best response.0
Sorry I took so long to check back!
 one year ago

amistre64Best ResponseYou've already chosen the best response.0
... i seem to have gotten the points all jumbled up when reading the question :) yes. 5 is it
 one year ago
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