Question 70309This question is from textbook Intermediate Algerba
: Find the midpoint: this is what I don't understand
(0,0) and (-6,8)
(-3,5) and (3,-3)
This question is from textbook Intermediate Algerba
Found 2 solutions by stanbon, checkley75:
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Find the midpoint: this is what I don't understand
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The x coordinate of the midpoint is the average of the two x values
The y coordinate of the midpoint is the average of the two y values
(0,0) and (-6,8)
midpoint is ( (0+-6)/2,(8+0)/2) = (-3,4
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(-3,5) and (3,-3)
midpoint is ((-3+3)/2, (5+-3)/2) = (0,1)
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Cheers,
Stan H.
Answer by checkley75(3666) (Show Source):
You can put this solution on YOUR website! THE DISTANCE BETWEEN THE X POINTS HERE ARE 0&-6 SO WE DIVIDE THE DIFFERENCE BY 2
(0-6)/2=-6/2=-3 SO WE EITHER ADD A -3 TO THE 0 POINT OR SUBTRACT A -3 FROM THE -6 POINT THUS WE GET -3 FOR THE X COORDINATE.
(8-0)/2=8/2=4 SO WE EITHER ADD THIS TO THE 0 OR SUBTRACT IT FROM THE 8 & WE GET 4 FOR THE Y COORDINATE.(-3,4)
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(-3-3)/2=-6/2=-3 ADD TO THE 3 OR SUBTRACT FROM THE -3 & WE GET 0 FOR THE X COORDINATE
(-3-5)/2=-8/2=-4 ADD TO THE -4 OR SUBTRACT FROM THE 5 & WE GET 1FOR THE Y COORDINATE (0,1)
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