SOLUTION: Find the f(x) = mx + b, given the x- and y-intercept of the linear function. Thanks :) x-intercept -4, y-intercept 12

Algebra ->  Graphs -> SOLUTION: Find the f(x) = mx + b, given the x- and y-intercept of the linear function. Thanks :) x-intercept -4, y-intercept 12      Log On


   



Question 907440: Find the f(x) = mx + b, given the x- and y-intercept of the linear function.
Thanks :)
x-intercept -4, y-intercept 12

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
(-4,0)
(0,12) m = -12/-4 = 3
the standard slope-intercept form for an equation of a line is
y+=+highlight_green%28m%29x+%2B+highlight%28b%29 where m is the slope and b the y-intercept.
y = 3x + 12