Question

Question #4aaad

Answer 1

`k=+-45`

Explanation:

Given a line equation `5x+6y=2k`,
when `x=0, "then " 6y=2k`,
`=> y=2/6k=1/3k`
when `y=0`, then `5x=2k`,
`=> x=2/5k`
Given area `A=135`,
`=> 1/2*1/3k*2/5k=135`
`=> 1/15k^2=135`
`=> k^2=135*15`
`=> k=+-sqrt2025`
`=> k=+-45`