Question

Which is the best definition of perpendicular lines?

a. perpendicular lines meet at an angle.
b. perpendicular lines never touch or cross.
c. perpendicular lines have opposite slopes.
d. perpendicular lines have the same slope.

Answer 1

B is the answer.

Perpendicular lines-2 straight lines that stand across each other, and never meet at one point. That’s the best definition I can give.

Answer 2

Perpendicular lines intersect at a 90° angle and have opposite reciprocal slopes when represented on a graph. Option c

Step-by-step explanation:

The correct definition of perpendicular lines is that they are lines that meet or intersect at a 90° angle. If you were to look at the letter 'T', you can see a clear example of perpendicular lines where the top line and the vertical line intersect.

In the context of slopes on a graph, perpendicular lines have opposite reciprocal slopes, which means if one line has a slope of 'a', the second line would have a slope of '-1/a' (assuming neither slope is zero or undefined). Option c