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Ymorist [56]
3 years ago
5

Determine the slope of the line that passes through each pair of points.

Mathematics
1 answer:
Soloha48 [4]3 years ago
7 0
1.)\\\\(5,1) \  \ and  \ \ (2,7)\\\\First \  find \ the \  slope \ of \ the \ line \ thru \  the \  points \: \\ \\ m= \frac{y_{2}-y_{1}}{x_{2}-x_{1} }   \\ \\m=\frac{ 7-1}{2-5} =  \frac{6}{-3}=-2 \\ \\   Use  \  point \  form  \ of  \ a \  line\  with \ one \ point: \\ \\ y-y_{1} =m(x-x _{1}) \\ \\m=-2 , \ \x_{1}=5, \ \ y_{1}=1 \\ \\y-1 = -2(x-5 ) \\\\y=-2x+10+1 \\ \\y=-2x+11


2.)\\\\(5,3)\ \ and \ \ (-2,3)\\\\First \  find \ the \  slope \ of \ the \ line \ thru \  the \  points \: \\ \\ m= \frac{y_{2}-y_{1}}{x_{2}-x_{1} }   \\ \\m=\frac{  3-3}{-2-5} =  \frac{0}{-7}=0\\ \\   Use  \  point \  form  \ of  \ a \  line\  with \ one \ point: \\ \\ y-y_{1} =m(x-x _{1}) \\ \\m=0 , \ \x_{1}=5, \ \ y_{1}=3 \\ \\y-3 = 0\cdot (x-5 ) \\\\y-3=0 \\ \\y=3
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