Question
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If the point (3, 5) lies on the graph of the equation 3y = ax + 9, the value of a is
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Answer: Option A
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If the point lies on the graph then it satisfies the given equation,
Putting x = 3, y = 5 in the given equation,
3×5=a×3+9
⇒ 3a + 9 = 15
⇒ a = 2
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