answersLogoWhite

0


Best Answer

The slope (rise over run) of one line will be a number (n) or (-n) and the perpendicular line's slope will be the exact opposite. So, for instance, if one line has a slope of 2/3, then a perpendicular line's slope must be -2/3, and vice versa.

User Avatar

Wiki User

โˆ™ 2009-10-19 05:32:36
This answer is:
User Avatar
Study guides

Algebra

20 cards

A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

โžก๏ธ
See all cards
3.8
โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…
2032 Reviews

Add your answer:

Earn +20 pts
Q: How do you tell if lines are perpendicular based on slope?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Continue Learning about Math & Arithmetic

How can we tell if two lines are parallel perpendicular or neither just from their equations?

If the slope of the equations are the same then they are parallel If the slope of the equations are minus reciprocal then they are perpendicular If the slope of the equations are different then they are neither


How do you know if two graphed lines are parallel or perpendicular?

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.)


How can you tell if something is perpendicular?

In a graph, you first must find the slopes of both lines using the rise over run method or by using the x2-x1 over y2-y1 method known as slope formula. The lines will be perpendicular if the slope of one line is opposite reciprocal of the other. the opposite reciprocal of 1/2 is -2


How do you tell if lines on a graph are parallel?

two ways : 1. calculate the slope of the two lines, if it is same, they are parallel. 2. draw a perpendicular line ( 90 degrees) from on of the lines and if it intersects the other line at 90degrees then they are parallel -HD


Is there a way you can you tell if the corresponding lines are parallel?

If you can find the slope of both lines, then yes you can tell. The slope for parallel lines is the same - so if your slopes are the same, your lines are parallel. If you are measuring (less exact) the lines will be the same distance apart everywhere.

Related questions

How can we tell if two lines are parallel perpendicular or neither just from their equations?

If the slope of the equations are the same then they are parallel If the slope of the equations are minus reciprocal then they are perpendicular If the slope of the equations are different then they are neither


How do you know if two graphed lines are parallel or perpendicular?

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.)


How can you tell if something is perpendicular?

In a graph, you first must find the slopes of both lines using the rise over run method or by using the x2-x1 over y2-y1 method known as slope formula. The lines will be perpendicular if the slope of one line is opposite reciprocal of the other. the opposite reciprocal of 1/2 is -2


How do you tell if lines on a graph are parallel?

two ways : 1. calculate the slope of the two lines, if it is same, they are parallel. 2. draw a perpendicular line ( 90 degrees) from on of the lines and if it intersects the other line at 90degrees then they are parallel -HD


How can you tell where the slope is steep just by looking at contour lines?

Where the slope is steep the contour lines will come close together.


Are y equals x plus 3 and y equals -x plus 3 perpendicular?

6


Slope of parallel lines?

I don't exactly understand what you are trying to say in this question. However, one thing I can tell you about the slope of parallel lines is that they are equal. Parallel lines must have the same slope.


What does the spacing of contour lines tell us?

The closer the lines are together, the steeper the slope, the further apart they are the more gradual the slope.


Is there a way you can you tell if the corresponding lines are parallel?

If you can find the slope of both lines, then yes you can tell. The slope for parallel lines is the same - so if your slopes are the same, your lines are parallel. If you are measuring (less exact) the lines will be the same distance apart everywhere.


When does spacing between contour lines tell you?

How steep the slope is.


Tell whether these lines are parallel perpendicular or neither. Line 1 that passes through (-1 4) and (5 6). Line 2 that passes through (-3 -2) and (3 0).?

Slope of line 1 is 1/3 and slope of line 2 is 1/3 which means the lines are parallel


By looking at two linear equations how can you tell that the corresponding lines are parallel?

By looking st two linear equations you can tell that the corresponding lines are parallel when the slope is the same. The slope controls where the line is.

People also asked

The lines shown below are perpendicular. If the green line has a slope of - 1/9, what is the slope of the red line?

View results

If two lines are their slopes are negative reciprocals?

View results