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


Sagot :

[tex](2, 2.5) , \ \ x=2, \ \ y = 2.5 \\ \\ y=x+2 \\ \\2.5 = 2+2 \\ \\ 2.5\neq 4 \\ \\ point \ (2,2.5) \ does \ not \ belong \ to \ the \ graph[/tex]



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