Determine a equação geral da reta sabendo que os pontos A(2,1) e B(- 2,4) pertencem a reta.... Pergunta de ideia dekkarina

kkarina @kkarina

October 2021 1 51 Report

Determine a equação geral da reta sabendo que os pontos A(2,1) e B(- 2,4) pertencem a reta.

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mozarth11

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$\left[\begin{array}{ccc}x1&y1&1\\x2&y2&1\\x&y&1\end{array}\right] \\ \left[\begin{array}{ccc}2&1&1\\-2&4&1\\x&y&1\end{array}\right]=-4x-4y+10 \\ -4x-4y+10 =0 \\ -2x-2y+5=0 \\ y= \frac{5-2x}{2}$

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