verify that A(2,7)is not a point on line x+2y+2=0
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A = (2,7)
Substituting the values of x and y in x + 2y + 2 = 0,
= 2 + 2(7) + 2
= 2 + 14 + 2
= 18
18 ≠ 0
Therefore A(2,7) is not a point on the line
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