Posted by Jane on Friday, January 18, 2013 at 3:59pm.
when y changes by 4, x changes by 15
from -2 to 1, y changes by 3, so x changes by 3/4 (15) = 11 1/4, so x=-10+11 1/4 = 5/4
(5/4,1) is on the line
or, algebraically,
(y+2) = 4/15 (x+10)
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