MATHS - Ratio - Inverse Proportion

MATHS - Ratio - Inverse Proportion

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

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This video tutorial explains inverse proportion, contrasting it with direct proportion. It uses examples like car speeds and cleaning scenarios to illustrate how inverse proportion works, where one quantity increases as the other decreases, maintaining a constant product. The video also covers mathematical representations, including equations and constants of proportionality, and explores inverse proportion involving indices. It concludes with methods to find values of variables in inverse proportion equations.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the speed of a car relate to the time taken to travel a fixed distance?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the relationship between two quantities that are inversely proportional?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

If five cleaners take three hours to clean a building, how long will it take three cleaners?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What does the constant k represent in inverse proportion?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the formula for y in terms of x when y is inversely proportional to x?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you find the value of y when x equals 15 in the equation y = k/x?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

How can you find the value of x when y equals 7.2 in the equation y = 180/x²?

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