Question 399220


the {{{slope -intercept}}} form of a line is


{{{y = mx + b}}}


where{{{ m}}} is the {{{slope}}} and {{{b}}} is the {{{y-intercept}}}

The {{{y-intercept}}} is the point where the line crosses the {{{y-axis}}}.

In your case {{{y = -2x }}}, so {{{b=0}}} and the line crosses the {{{y-axis}}} in {{{0}}}