makaunawal5

2022-07-19

Is there an actual $f(\phantom{\rule{.1em}{0ex}}{p}_{1},\phantom{\rule{thinmathspace}{0ex}}{p}_{2})=\stackrel{\text{some formula}}{\stackrel{\u23de}{\phantom{Loremipsum}}}$ to get the y intercept of a line from 2 points?

yermarvg

Beginner2022-07-20Added 19 answers

If $p=(a,b)$ and $q=(c,d)$ then the line between them has equation

$(y-b)(c-a)=(x-a)(d-b)$

Set $x=0$ and solve for $y$ to get your formula for the $y$ intercept in terms of $a,b,c,d$.

$(y-b)(c-a)=(x-a)(d-b)$

Set $x=0$ and solve for $y$ to get your formula for the $y$ intercept in terms of $a,b,c,d$.

Read carefully and choose only one option

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