Two numbers or variables are directly proportional if their ratio is constant.
Put another way, two numbers or variables are directly proportional if one of them is a constant multiple of the other.
a is proportional to b ( a ∝ b ) if
a/b= constant or equivalently a=b x (constant)
When to numbers or variables are directly proportional, if one doubles the other doubles,
if one is halved the other is halved, etc.
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If a proportional relationship is graphed on the coordinate plane, what things must be true?
if two same charg are bring to each other in some force they are repell,it is called inversely propotional.it is true or not?give a correect answer
When 2 things increase or decrease by the same proportion
cloth length
centimeters your waist / your height / TV screen