Question 142974
From the two points that we've been given, we can find the slope.


{{{(7 - 3)/(3- -3)}}}  


We get a slope of {{{2/3}}}


With this, we can go ahead and use point-slope to get our equation.


(y-7)= {{{2/3}}}(x-3)
This yields
y = {{{2/3}}}x + 5 


So now, we have our y-intercept.  It is five.