AdrianeAduddell251 AdrianeAduddell251

17-07-2014
Mathematics

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What is the equation of the line, in general form, that passes through the point (1, 1) and has a y-intercept of 2

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Аноним Аноним

17-07-2014

[tex]The\ slope-intercept\ form:y=mx+b\\\\y-intercept\ is\ 2\ then\ y=mx+2\\\\The\ point\ (1;\ 1)\to substitute\ x=1\ and\ y=1:\\\\m\cdot1+2=1\\m+2=1\\m=1-2\\m=-1\\\\Finish:y=-1x+2\to y=-x+2\\\\General\ form:x+y-2=0[/tex]

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