Question

what is meaning of directly proportional and indirect proportional show that in mathematics

Answer 1

Directly proportional means something equally changes when some change is applied to it
Eg : speed =distance/time where distance is directly proportional to speed. Meaning if speed increases then distance increases and if speed decreases then distance decreases.
And time is inversely proportional to speed that means if time ⌚ increases, speed decreases and if time decreases speed increases..
Hope it helps you...

Answer 2

In mathematics, two variables are proportional if a change in one is always accompanied by a change in the other, and if the changes are always related by use of a constant multiplier. The constant is called the directly proportional.

Let a and b are temp mesurements which are proportional to each other.

They are directy if both inscrease equally. They are indirect if A increase and B decrease.

Think it helps.

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