1.

If (4,19) is a solution of the equation y = ax + 3, then a =A. 3 B. 4 C. 5 D. 6

Answer»

Option : (B)

Given, 

(4, 19) is a solution of the equation y = ax + 3 

⇒ 19 = 4a + 3 

⇒ a = 4



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