Question 1149639
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..., equation in slope-intercept form that passes through the given point and has the given slope (h,k); slope m
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{{{y-k=m(x-h)}}}------------starting in point-slope form

{{{y=m(x-h)+k}}}

{{{y=mx-mh+k}}}

{{{system(y=mx-(mh-k),or,y=xm+(k-mh))}}}


Your example,
{{{y=-4x+(7-(-4)*2)}}}
{{{y=-4x+7+8}}}
{{{highlight(y=-4x+15)}}}








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recheck
y-7=-4(x-2)
y=-4x+8+7
okay