Mathematics, 27.08.2019 13:50, logan541972
Find the value if r so that the line passes through each pair of points has the given slope. ( ! )
6a. (-2,,-4); m=-5
6b. (r,-,-8); m=-8
Answers: 1
![The\ slope-point\ form:y-y_1=m(x-x_1)\\-----------------------------\\6A:\\m=-5;\\(-2;\ 6)\to x_1=-2;\ y_1=6\\\\y-6=-5[x-(-2)]\\y-6=-5(x+2)\\y-6=-5x-5(2)\\y-6=-5x-10\ \ \ |add\ 6\ to\ both\ sides\\\boxed{y=-5x-4}\\\\put\ the\ coordinates\ of\ the\ point\ (r;-4)\to x=r\ and\ y=-4:\\-4=-5r-4\ \ \ |add\ 4\ to\ both\ sides\\0=-5r\\-5r=0\ \ \ \ |divide\ both\ sides\ by\ (-5)\\\boxed{r=0}\leftarrow answer](/tpl/images/0202/5197/a42fe.png)
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Find the value if r so that the line passes through each pair of points has the given slope. ( ! )
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