anonymous
  • anonymous
find the value of x so so that the line passing through (10,5) and (x,9) has a slope of -2 -8 8 2 -2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Owlcoffee
  • Owlcoffee
So, all you can do is apply the equation of the slope, defined by: \[m_{a,b}=\frac{ y_2 - y_1 }{ x_2-x_1 }\] Which, in more simpler words mean: "the difference of the y coordinates divided by the difference of the x-coordinates". So, applying it for the points give, calling the coordinates (10,5) as point "a" and the coordinates (x,9) as point "b", then: \[m_{a,b}=\frac{ 9-5 }{ x-10 }\] But the desired slope is "-2", so therefore: \[-2=\frac{ 9-5 }{ x-10 }\] So all you have to do is solve for "x".
anonymous
  • anonymous
I think it is -2

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