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MCQ
The equation of the line through (1, 2) with slope 3 is:
Unit-8 Geometry of Straight Lines
A y = 3x - 1
B y = 3x + 1
C y = 3x + 5
D y = x + 2
Explanation

Using y - y1 = m(x - x1): y - 2 = 3(x - 1), so y = 3x - 1.

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