The product of perpendicular line gradients is -1

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Edit   Delete - Last Modified By: TST at 10/12/2013 9:31:12 AM
Watch the following video that shows us how to recognize perpendicular lines.
Edit   Delete - Last Modified By: TST at 10/12/2013 9:37:21 AM
Try the questions on the first page.
Edit   Delete - Last Modified By: TST at 10/12/2013 9:41:37 AM
Find out how to figure out the equation of a line when we are given a point that it passes through and the equation of a perpendicular line.  Once you have watched the video, try the questions on the questions on the second page of the line above.
Edit   Delete - Last Modified By: dsi at 13/12/2013 9:31:29 AM
Edit   Delete - Last Modified By: TST at 10/12/2013 9:24:10 AM
Try the Mangahigh Activity called:  Equations of Perpendicular Lines
Edit   Delete - Last Modified By: TST at 10/12/2013 9:52:21 AM
Try the following worksheet to see if you can recognize lines that are parallel, perpendicular or neither.