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Perpendicular Lines

Perpendicular Lines. y. B. 4. a) Work out the gradient of the line AB b) Draw a line which is perpendicular to the line AB. c) Hence work out the gradient of the perpendicular line. 2. 0. 8. 2. 6. 4. x. A. -2. y. L. 4. M. 2. a) Work out the gradient of the line LM

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Perpendicular Lines

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  1. Perpendicular Lines y B 4 a) Work out the gradient of the line AB b) Draw a line which is perpendicular to the line AB. c) Hence work out the gradient of the perpendicular line 2 0 8 2 6 4 x A -2

  2. y L 4 M 2 a) Work out the gradient of the line LM b) Draw a line which is perpendicular to the line LM. c) Hence work out the gradient of the perpendicular line 0 8 2 6 4 x -2

  3. If two lines are perpendicular to each other with gradients m1 and m2 then it is true to say m1 or m2

  4. Example • Find the equation of the line which passes through (2, 3) which is • Parallel to the line • Perpendicular to the line

  5. Example Obtain the equation of the perpendicular bisector of AB where A has coordinate (–1, 4) and B has coordinate (5, 6)

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