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Direct and Inverse Proportions Video Lecture | Mathematical Olympiad Class 8

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FAQs on Direct and Inverse Proportions Video Lecture - Mathematical Olympiad Class 8

1. How can direct and inverse proportions be distinguished?
Ans. In direct proportion, as one quantity increases, the other also increases, while in inverse proportion, as one quantity increases, the other decreases.
2. Can you provide an example of direct proportion?
Ans. Yes, an example of direct proportion is the relationship between the number of hours worked and the amount of money earned - the more hours worked, the more money earned.
3. What is the equation to represent inverse proportion?
Ans. The equation to represent inverse proportion is y = k/x, where y is one quantity, x is the other quantity, and k is a constant.
4. How can inverse proportionality be visually represented on a graph?
Ans. Inverse proportionality can be visually represented on a graph by a hyperbola, where the curve approaches but never reaches the x and y axes.
5. Can direct and inverse proportions exist simultaneously in a given situation?
Ans. Yes, direct and inverse proportions can exist simultaneously in a given situation. For example, the time taken to travel a certain distance is inversely proportional to the speed at which one travels, but directly proportional to the distance traveled.
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Direct and Inverse Proportions Video Lecture | Mathematical Olympiad Class 8

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