How do you solve compound inequalities $-5k < -10$ or $3k > -9$ ?

Question

2187 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2015-05-15T15:20:57

$-5k< -10$

$rarr k > 2$
remember dividing by a negative reverse the inequality

$3k> -9$

$rarr k> -3$

The solutions for $-5k < -10$ or $3k > -9$
are all solutions for either inequality.

enter image source here

How do you solve compound inequalities -5k < -10-5k < -10 or 3k > -93k > -9?