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Introduction to Graphs — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSIntroduction to Graphs5 Marks
Question
Study the given graphs (i) and (ii) and complete the corresponding tables below.
Image
(i)
$x$0123
$y$
(ii)
$x$01234
$y$
✓

Answer

Graph (i) shows $x=y$
If $x=0$, then $y=0$, If $x=1$, then $y=1$
If $x=2$, then $y=2$, If $x=3$, then $y=3$
$x$0123
$y$0123
Graph (ii) shows that $y=2 x+2$, because
If $x=0$, then $y=2$, If $x=1$, then $y=4$
If $x=2$, then $y=6$, If $x=3$ then $y=8$
and If $x=4$, then $y=10$
$x$01234
$y$246810

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