Question

Please help, just answer this question.

Answer 1

`- (5)/(2)`

Given that,

Slope of line A=2/5

We know that , slope of perpendicular line is product of slopes.

i.e. M1 • M2=-1

`m1 = (2)/(5) \: \:`

m2=?

Now,

`(2)/(5) * m2 = - 1 \\ or \: m2 = - 1 * (5)/(2) \\ \: m2 = - ( 5)/(2)`

Therefore, Slope of line B is -5/2.

Hope this helps..

Good luck on your assignment..