Question 1151684
{{{y = 0.20x + 70 }}}

since linear, you need two points and draw a line through

make table:  
{{{x}}}|{{{y}}}
{{{0}}}|{{{70}}}
{{{-350}}}|{{{0}}}

plot points:

{{{ graph( 600, 600, -400, 150, -150, 150, 0.20x + 70 ) }}}