Find a missing coordinate using slope

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kitty kitty
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Find a missing coordinate using slope

A line that includes the points (-10,10) and (6,q) has a slope of -1/8 what the value of q
McGenius McGenius
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Re: Find a missing coordinate using slope

y2 - y1
———— = slope
x2 - x1

q - 10            -1
————-  =  ———   substituted coordinates in
6 - (-10)          8

q - 10          -1
———-   =   ——   subtracted
  16               8

8q - 80 = -16   cross-multiplied

8q = 64   added 80

 q = 8   divided

*McGenius*