Page 31 - E booklet prep 3 bader 2025 b_Neat
P. 31
3- Direct variation and
inverse variation
Direct variation inverse variation
If y ? x then: If y ? ?? then :
??
Y = mx , m ? ??* Y = ?? , m ? ??*
??
( to find the relation between x and y )
( to find the relation between x and y )
???? = ???? ???? = ????
???? ???? ???? ????
we use it for get the missing value we use it for get the missing value
Note:
The Direct variation represent graphically by straight line passing through the
origin point
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