Find their gradients using the change in y coords divided by the change in x coords. once you have the gradients (or slopes), multiply them by eachother - if the product is (-1) then theyre perpdendicular, if not, they are either parallel or intersect at a point
Answer:
I don't think so.
Step-by-step explanation:
But what do I know? XD
The answer is 162. Hope this helps
A=-3 and i think any value of 'a' makes those equation infinite solution because expression has same variable both side.
