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Which is the equation of the line with slope 2 through the point (1, 3)?
A2x + y - 5 = 0
B2x - y + 1 = 0
Cx - 2y + 5 = 0
D2x - y - 1 = 0
Answer & Solution
Correct answer: B. 2x - y + 1 = 0
Point-slope form gives y - 3 = 2(x - 1), i.e. 2x - y + 1 = 0.
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