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Find k, if R(1,-1), S(-2, K) and slope ...

Find `k,` if `R(1,-1), S(-2, K) ` and slope of line RS is `-2.`

Text Solution

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`R(1,-1)` and `S(-2,k)`
Slope of line `RS=-2`
Slope of lines `RS=(k-(-1))/(-2-1)`
`:.-2=(k+1)/(-3)`
`:.6=k+1:.k=6-1`
`:.k=5`
Value of k is 5.
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