33.1k views
4 votes
What is the slope of a line that is perpendicular to the line represented by the equation 3x + 4y = 12?

Please help?
The answer is not b

What is the slope of a line that is perpendicular to the line represented by the equation-example-1
User Nayagam
by
3.5k points

1 Answer

3 votes

Answer:

-3/4

Explanation:

3x+4y=12

get into y=mx+b form first (m is the slope, b is the intercept)

So, 4y=12-3x

Then y=(12/4)-(3/4)*x

So your m is -3/4

Since you said it must be parallel the slope is the same to ensure they never touch

User Kodemi
by
4.1k points