math
posted by Pranav
A line has a slope of 2. It passes through the point (1,2) and (3,y). What is the value of y ?
Please help.
Is there like a specific difference I'm suppose to find?
I'm super confused.

Steve
x grows by 2
the slope is 2, so y grows by 4.
so, y=2+4=6
or, more formally,
(y2)/(31) = 2
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