Question 428225
You can express the equation as
{{{ y = mx + b }}}
{{{ y = 3x + b }}} (b is the y-intercept)
Just plug in one of the points
(4,10)
{{{10 = 3*4 + b }}}
{{{ b = 10 - 12 }}}
{{{ b = -2 }}} (answer)
Here's a plot:
{{{ graph( 400, 400, -5, 5, -5, 5, 3x - 2) }}}