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Two points A (-2, 9) and B (4, 8) lie on a line l. (i) Find the slope of the line l. (2)marks (ii) Find the coordinates of the midpoint of the points A and B (iii) Find the distance between points A and B. (i). A line “t” is parallel to 3y = 6x + 9. Find the slope of this line “t”. (ii) Another line “r” is perpendicular to the line 3y = 6x + 9. Find the gradient of the line “r”.

Respuesta :

ZJSG09112007

Answer :

  • 1 (i).
  • [tex]slope \: = - \frac{1}{6} [/tex]
  • (ii).
  • [tex]midpoints \: = (1 \: \: \frac{17}{2} )[/tex]
  • (iii) .
  • [tex]distance \: = \sqrt{37} [/tex]
  • 2(i).
  • [tex]slope \: = 2[/tex]
  • [tex]gradient \: = - \frac{1}{2} [/tex]
  • I Hope it helps :)

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