Mathematics, 14.02.2022 14:00 ndkjfgj4368
Use the given equation to find the missing coordinates of the points and then find the slope of the line for each equation. y=-3/7x+3, A(..., 6), B(9, ) Will give 10 pts :D
Answers: 2
![y=-\cfrac{3}{7}x+3 \\\\[-0.35em] ~\dotfill](/tpl/images/2658/5533/c1f7a.png)
![A(x~~,~~\stackrel{y}{6})\qquad \qquad \begin{array}{llll} \stackrel{\textit{since we know that}}{y=-\cfrac{3}{7}x+3}\implies 6=-\cfrac{3}{7}x+3\implies 3=-\cfrac{3x}{7} \\\\\\ 21=-3x\implies \cfrac{21}{-3}=x\implies -7=x \end{array} \\\\[-0.35em] ~\dotfill\\\\ B(\stackrel{x}{9}~~,~~y)\qquad \qquad \begin{array}{llll} \stackrel{\textit{since we know that}}{y=-\cfrac{3}{7}x+3}\implies y=-\cfrac{3}{7}(9)+3\implies y=-\cfrac{27}{7}+3 \\\\\\ y=\cfrac{-27+21}{7}\implies y=-\cfrac{6}{7} \end{array}](/tpl/images/2658/5533/ae814.png)
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