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The origin is moved to (4, 0). The line 3x + 4y = 12 becomes
A3x' + 4y' = 24
B3x' - 4y' = 0
C3x' + 4y' = 12
D3x' + 4y' = 0
Answer & Solution
Correct answer: D. 3x' + 4y' = 0
Substituting x = x' + 4 gives 3x' + 12 + 4y' = 12, so 3x' + 4y' = 0.
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