If two lines have slopes of -2/9 and 9/2 are they perpendicular?

Question

asked Oct 18, 2021 134k views

1 Answer

Lxyu · Answer 1 · 2021-10-24T06:35:21+0000

Answer:

$\huge\boxed{\mathrm{Yes.}}$

Explanation:

If the two lines are perpendicular, Multiplying their slopes must give the result of -1.

=>
$\sf -(2)/(9) * (9)/(2)$

=> -1

Since, the result of multiplying these slopes give -1, So, the two lines are perpendicular.