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anonymous
 4 years ago
Determine the slope of the line which passes through these two points: (1, 3) and (6, 9).
anonymous
 4 years ago
Determine the slope of the line which passes through these two points: (1, 3) and (6, 9).

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0y=ax+b a=(93)/(6(1))=6/7

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Line equation = \[yy _{0}=2a(xx _{0})\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0y−y 0 =a(x−x 0 ) this is right

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0don't mix it up with physic

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0you're wrong amir.sat

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0review your lesson more timea lol

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1327679283219:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Gradient = distance up divided by distance along, i.e. gradient is \[m = \frac{y_2  y_1}{x_2x_1}\] Where the points have coordinates \[(x_1, y_1), (x_2, y_2)\] That is the formula you use to calculate the gradient of any line passing through two known points.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Use \[\Large \frac{{\Delta y}}{{\Delta x}} = \frac{{{y_2}  {y_1}}}{{{x_2}  {x_1}}}\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0\[\Large \frac{{{y_2}  {y_1}}}{{{x_2}  {x_1}}} = \frac{{9  3}}{{6   1}} = \frac{6}{7}\] So whoever said otherwise is incorrect.
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