Answer :

We have,

y = 3x + 4 (i)


a. (1, 7) [putting x = 1 and y = 7 in (i)]


7 = 3(1) + 4


7 = 7


Thus, A lies on the line.


b. (2, 10) [putting x = 2 and y = 10 in (i)]


10 = 3(2) + 4


10 = 10


Thus, B lies on the line.


c. (-1, 1) [putting x = -1 and y = 1 in (i)]


1 = 3(-1) + 4


1 = 1


Thus, C lie on the line.


d. (4, 12) [putting x = 4 and y = 12 in (i)]


12 = 3(4) + 4


12 ≠ 16


Thus, D does not lie on the line.


Option D is correct

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