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Katena32 [7]
3 years ago
12

How many points does it take to determine a line? A) two B) zero C)three D)one

Mathematics
1 answer:
yaroslaw [1]3 years ago
7 0

The answer is A, two points.

Any two distinct points in a plane determine a line, which has an equation determined by the coordinates of the points.

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y = 5(x-2) + 3   (distribute parentheses)

y = x(5) - 2(5) + 3

y = 5x -10 + 3

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recall that for a line with gradient m, the gradient of the perpendicular line will be - (1/m)

hence in our case, our gradient of the original line is 5, hence the gradient of the perpendicular line is -1/5

From the choices, the only one that is consistent with this is C

i.e choice C:

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