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Mathematics 7 Online
OpenStudy (anonymous):

Find the equation of a straight line that has a gradient of 3 and passes through the mid point of the interval joining the points (3,5) and (7,7)

OpenStudy (lochana):

mid point = {(3+7)/2 , (5+7)/2) = (5,6) so the equation would be y = 3x - 9

OpenStudy (anonymous):

thanks

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