If x = -2 and y = 12, thеn 2(3х3 + 2у2) = оао о в 12 о с 48 ооо oo 96

Step-by-step explanation:

You have this expression:

You already know that the value of the variable "x" is:

And the value of the variable "y" is:

Therefore, you can substitute the value of the variable "x" and the value of the variable "y" into the expression.

Then you get:

First set are parallel, second are perpendicular, third are perpendicular, fourth are neither.

*If you can't remember the rules, or want to check your answers, I would type them into a graphing calculator. It will easily tell you which category they're in. (desmos.com)*

Step-by-step explanation:

1. Same slope (6/5) = parallel

2. Reciprocal (flipped) slope, opposite signs

3. Reciprocal (flipped) slope, opposite signs

4. Neither, the slopes aren't the same or flipped

When you flip the slopes (3/4 becomes 4/3) and change a sign, the lines will always be perpendicular.

Hope it helps :)