(-1,-1) and (9,9) write an equation of a line containing the given pair of points

JohnRoach asked Dec 23, 2023

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20 votes

JohnRoach asked Dec 23, 2023

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26 votes

Slope:-

$\\ \sf\longmapsto m=(9+1)/(9+1)$

$\\ \sf\longmapsto m=(10)/(10)=1$

Equation of line in point slope form

$\\ \sf\longmapsto y-y_1=m(x-x_1)$

$\\ \sf\longmapsto y+1=1(x+1)$

$\\ \sf\longmapsto x-y=0$

David Jesse answered Dec 28, 2023

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