Question

please help! I missed one day of class in algebra and missed learning this so I'm really confused! if someone could help me that be great! thanks!​

Answer 1

Perpendicular means it’s opposite reciprocals for example : the slope is 2 then the perpendicular line’s slope would be -1/2 because it flips the number also makes it the opposite sign.

If it’s parallel then the slope would be the same

I hope that helps