To find the slope of a perpendicular line, take the negative reciprocal of the slope of the given line. (Flip the top and bottom of the fraction and change the sign.) The slope of a line that is perpendicular to a line with a slope of -2/3 is 3/2, (or 11/2 or 1.5).
An equation where the slope is -3 has to have x being multiplied to -3. For example, you could have the equation y=-3x+2.
The line goes through (5,2) and (-2,3). The slope is the difference in the y coordinates over the difference in the x corridinates. In this case, (3-2)/(-2-5), which is 1/(-7), or -1/7.
infinite
if they are parallel they run side by side forever and will never cross. if they are perpendicular they will cross at a 90 degree angle. You can also tell just by looking at the equations for the lines if they are in the slope-intercept form (y = mx + b, where m is the slope and b is the y-intercept). When two lines are parallel, they have the same slope. When two lines are perpendicular, the slope of one is the negative reciprocal of the slope of other. For example, a line with a slope of 2 is perpendicular to a line with a slope of -½, and a line with a slope of 1 is perpendicular to a line with a slope of -1. (y = 1 and x = 1 are perpendicular because the slope of y = 1 is zero, the slope of x = 1 is infinity, the reciprocal of infinity is zero, and negative zero equals zero.)
If the line has a slope of 2, then the perpendicular line has a slope of -1/2. The slope of a perpendicular line is the negative reciprocal. Another example would be if the slope of a line is -1/4, then the slope of the perpendicular is 4.
when the slope is 0, the graph is a horizontal line on the x axis so the y axis is perpendicular to it, which can be written x=0
Any line that is parallel to another line will have the same slope. So if line AB's slope is zero and line CD is parallel to AB, then its slope will also be zero. The slope of line CD, when perpendicular to AB, will be infinity. If line AB has a slope of zero that means its just a horizontal line passing some point on the y-axis. A line that is perpendicualr to this one will pass through some point on the x-axis and therefore have an infinite slope.
All parallel lines have a zero slope.
Slope of a line = m slope of perpendicular line = -1/m
A vertical line does not have a defined slope. If you think of slope as a fraction, it would be dividing by zero, which doesn't work. So, basically, no solution
The line perpendicular to a line with a slope of 1/5 has a slope of -5.
The slope of a line perpendicular to one with a slope of m is -1/m.
if slope is given as m then perpendicular slope is -1/m (negative inverse)
The slope of a perpendicular line is not defined.
The negative reciprocal of the slope of the line to which it is perpendicular.