Question 1178841
Description is same as to find the slope-intercept equation for a line containing the two points,  (380, 196) and (690, 335.5).



{{{y=((335.5-196)/(690-380))x+b}}}


{{{y=0.45x+b}}}

{{{b=y-0.45x}}}
pick either point.

{{{b=196-0.45*380}}}

{{{b=25}}}

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{{{highlight(y=0.45x+25)}}}