Perpendicular lines

Algebra, Functions and equations, Circular functions and trigonometry, Vectors, Statistics and probability, Calculus. IB Maths SL Revision Notes

Perpendicular lines

Postby Jane » Tue Apr 23, 2013 4:04 am

IB Mathematics SL, slope of a line, perpendicular & parallel lines

How can we find the slope of the line which is perpendicular to the line ?

Thanks
Jane
 
Posts: 0
Joined: Tue Mar 19, 2013 8:47 pm

Re: Perpendicular lines

Postby nicole » Tue Apr 23, 2013 4:08 am

IB Math SL, gradient of a line, perpendicular - parallel lines

If two lines are perpendicular their slopes are negative reciprocals and if two lines are parallel have equal slopes.
Regarding your question about the gradient of the line which is perpendicular to the line .

Let be the required slope then we have the following relation:



Hope these help!
nicole
 
Posts: 0
Joined: Mon Jan 28, 2013 8:10 pm

Re: Perpendicular lines

Postby Jane » Tue Apr 23, 2013 4:09 am

Thanks Nicole!
Jane
 
Posts: 0
Joined: Tue Mar 19, 2013 8:47 pm


Return to ib mathematics SL