Lim Jia Earn's answer to R's Secondary 4 E Maths Singapore question.
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I just like to state that this method I used is in the A Math syllabus, you tagged this under E Math which I hope you tagged incorrectly, if this is truly under E Math then you’ll be required to plot a graph and find the tangent gradient accordingly (last I recall) ;)
Date Posted:
2 years ago
I believe R is taking Poly Maths, but had no selection in the list.
Slope: 3
Point: (1, 0)
I strongly suspect R formed the equation as follows
y = m (x + c)
0 = 3 (1 + c)
0 = 1 + c
-1 = c
y = 3 (x - 1)
y = 3x - 3
when it should be y = mx + c instead.
Point: (1, 0)
I strongly suspect R formed the equation as follows
y = m (x + c)
0 = 3 (1 + c)
0 = 1 + c
-1 = c
y = 3 (x - 1)
y = 3x - 3
when it should be y = mx + c instead.
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