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Sergeu [11.5K]
3 years ago
11

Determine the equation of a line in standard form that represents Kelsa’s training progress. Her progress corresponds to the poi

nts (1, 9.5) and (8, 6)
Mathematics
1 answer:
UkoKoshka [18]3 years ago
3 0

We first get the gradient of the equation of a line by taking the change in y over change in x

Hence our gradient will be

(6-9.5)/(8-1)=-3.5/7=0.5

Taking an arbitrary point(x,y) and using our gradient we get and one of the points above we get

(y-6)/(x-8)=0.5

y-6=0.5*(x-8)

y-6=0.5x-4

y=0.5x+2 or y=1/2x+2

which is the line of our equation the answer we are asked for.

 

 

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