How do you find an equation of a line containing the point (1, -1), with undefined slope?

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Answer 1 · 2016-04-26T21:05:21

Insufficient information given to build an equation

$color(red)("Assumption: this is for a straight line")$

Standard form: $" "y=mx+c$

Given point $->P_1->(x,y)->(1,-1)$

So $y=mx+c" "->" " -1=m(1)+c$

You may insert any values you wish into $m$ or $c$ to take this calculation further and determine the final equation