Question

Show that the points (1, 2) lie on the graph of the linear equation y = 9x – 7.
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Answer 1

Answer:

If the point (1,2) lies on the graph of linear equation it should satisfy the given equation y = 9x - 7 .

Substitute x= 1 and y = 2

LHS = y = 2

RHS = 9x - 7

= 9(1)-7 = 2

LHS = RHS

Therefore, point lies on the graph