Is the point (2, 2.5) on the graph of y=x+2? How do you know?

asked Dec 10, 2015 111k views

5 votes

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4 votes

2 = x and 2.5 = y
y = x + 2
2.5 = 2 + 2 No never
2.5 ≠ 4
So it is NOT

Lexmihaylov answered Dec 12, 2015

6.3k points

4 votes

$(2, 2.5) , \ \ x=2, \ \ y = 2.5 \\ \\ y=x+2 \\ \\2.5 = 2+2 \\ \\ 2.5\\eq 4 \\ \\ point \ (2,2.5) \ does \ not \ belong \ to \ the \ graph$

Sabarish answered Dec 17, 2015

7.3k points

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