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secondary 3 | E Maths
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I only need help with part c
(y-0)/(x-2) = (6-0)/(0-2) = -3
y = -3x + 6
(b)
when y = -3,
-3 = -3x+6
x = 3
coordinates of C is (3, -3)
(c)
gradient of OC is -3/3 = -1
y-6 = -(x-0)
y = -x + 6
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