Question 337261
The line is already in slope-intercept form, {{{y=mx+b}}} where {{{m}}} is the slope, {{{b}}} is the y-intercept.
{{{m=-2}}}
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{{{b=-7}}}
(0,-7)
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Find the x-intercept by setting y=0 and solving for x.
{{{0=-2x-7}}}
{{{2x=-7}}}
{{{x=-7/2}}}
(-7/2,0)
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{{{drawing(300,300,-10,10,-10,10,grid(1),circle(0,-7,0.4),circle(-7/2,0,0.4),graph(300,300,-10,10,-10,10,-2x-7))}}}