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secondary 3 | E Maths
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Date Posted: 3 years ago
Views: 177
y =mx + c
Given that, y = 1 when x = 3, amd Gradient m = 3,
1 = 3(3) + c
c = 1 - 9 = -8
y = 3x - 8
Find the intersection with y = x & y = 3x - 8
x = 3x - 8
2x = 8
x = 4
y = 4
The intersection is (4,4)
Given that, y = 1 when x = 3, amd Gradient m = 3,
1 = 3(3) + c
c = 1 - 9 = -8
y = 3x - 8
Find the intersection with y = x & y = 3x - 8
x = 3x - 8
2x = 8
x = 4
y = 4
The intersection is (4,4)
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