Question 973467
The y-intercept occurs where {{{ x = 0 }}}
so,
{{{ 3x - 4y = 50 }}}
{{{ 3*0 - 4y = 50 }}}
{{{ -4y = 50 }}}
{{{ y = -50/4 }}}
{{{ y = -25/2 }}}
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here's the plot:
{{{ graph( 500, 500, -4, 20, -20, 4, (3/4)*x - 25/2 ) }}}