jojobennett7
jojobennett7 jojobennett7
  • 28-07-2016
  • Mathematics
contestada

a student found the slope of a line that passes through the points (1,14) and (3,4) to be 5. what mistake did she make?

Respuesta :

erae97
erae97 erae97
  • 28-07-2016
[tex] x_{1}=1 [/tex]
[tex] x_{2}= 3[/tex]
[tex] y_{1} =14[/tex]
[tex] y_{2}=4 [/tex]
[tex]Slope= \frac{rise}{run} = \frac{ y_{2} - y_{1} }{ x_{2} - x_{1} } = \frac{4-14}{3-1} = \frac{-10}{2} =-5[/tex]


answer: The student flipped the y values
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