Question

Let c be any constant number. Which of the following will always be perpendicular to −3x + y = −1?

Answer 1

'C'?

Answer 2

3y+x=c

Answer 3

A perpendicular line would generate the negative reciprocal as its slope from the given equation:
Lets first turn this into y= mx +b
y = +3x - 1

Your slope is +3, and thus, for a perpendicular line, it would be any with the negative reciprocal: -1/3. Eliminate your answers.

Answer 4

that helped ty

Answer 5

Anytime.