Video tutorial CXC CSEC math topic: Calculate the slope of perpendicular lines

Video tutorial CXC CSEC math topic: Calculate the slope of perpendicular lines

Here is a tutorial video from Khan Academy showing how to calculate the slope of perpendicular lines.

This video tutorial support specific objective 10

Fivestar

guest (not verified) 2 March 2013 - 3:21pm

you make maths seems so simple.

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