# Algebra

posted by .

How can you determine if two lines are perpendicular?

• Algebra -

you can find the slope of the two lines...when it is perpendicular
m1*m2=-1
m1=one of the slope
m2=the second slope
if you multiply the slopes together, you will get -1 if it is perpendicular.

• Algebra -

Multiply the slope of one by the slope of the other. If the product is -1, they are perpendicular.

## Similar Questions

1. ### alg.

Determine which two equations represent perpendicular lines. a) y=2x - 6 b) y=1/2x + 6 c) y= -1/2x + 6 d) y= 1/2x - 6 I know that perpendicular lines have negative recipricals, but I'm having trouble with this problem. I think the …
2. ### algebra

how can you determine if two lines are perpendicular?
3. ### algebra

HOW CAN YOU DETERMINE IF TWO LINES ARE PERPENDICULAR?
4. ### algebra

HOW CAN YOU DETERMINE IF TWO LINES ARE PERPENDICULAR?
5. ### algebra need by 10p cst

How can you determine if two lines are perpendicular?
6. ### math needed by 12midnight

How can you determine if two lines are perpendicular?
7. ### MATH

How can you determine if two lines are perpendicular?
8. ### MATH

Post your 50 or more word response to the following in the assignment link: How can you determine if two lines are perpendicular?
9. ### Algebra

How can you determine if two lines are perpendicular?
10. ### geometry

Martin drew a pair of perpendicular lines and a pair of parallel lines. Which of these statements best compares the pairs of perpendicular and parallel lines?

More Similar Questions