n6ytemarizabells n6ytemarizabells

05-09-2016
Mathematics

contestada

what is the slope of the line passing through the points (1, –5) and (4,1)

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dalendrk dalendrk

06-09-2016

[tex](x_1;\ y_1);\ (x_2;\ y_2),\ the\ slope\ m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]

[tex](1;-5)\to x_1=1;\ y_1=-5\\(4;\ 1)\to x_2=4;\ y_2=1[/tex]

subtitute

[tex]m=\dfrac{1-(-5)}{4-1}=\dfrac{1+5}{3}=\dfrac{6}{3}=2[/tex]

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