Question

The points represented by the (x,y) coordinate pairs in the table below all lie on line k. What is the slope of line k?

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Answer 1

the slope is -2/1

You can find it by using the equation
`(y_(1)- y_(2) )/(x_(1)- x_(2) )`

so 3-1/1-2= 2/-1, which is also written as -2/1