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Ipatiy [6.2K]
3 years ago
9

What is the slope of (1,3) and (2,1)

Mathematics
1 answer:
zaharov [31]3 years ago
4 0
Ax+b=y

put the both values the left one is x and the right one is y


(1,3)=> a+b=3
(2,1)=> 2a+b=1

subtract both of the equations you will get -a=2
so a=-2 and put a in any of the equation you will get b is 5 so the equation is -2x+5=y

the slope is the x’s number so it’s -2
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