Graphical Representations of Proportion

Graphical Representations of Proportion

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial covers the concept of proportions, starting with direct proportion where y is proportional to x, forming a linear graph. It explains how the constant of proportionality, k, affects the graph's steepness. The tutorial then moves to non-linear relationships, showing how increasing the power of x results in steeper curves. It also covers inverse proportion, where y equals k over x, and explains the graph's behavior, including asymptotes. Finally, it discusses inverse proportion with x squared, highlighting how squaring negative numbers affects the graph.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the relationship between y and x in a direct proportion?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the value of k affect the steepness of the line in a direct proportion graph?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the formula for inverse proportion?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the concept of asymptotes in the context of inverse proportion graphs.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens to the y values when we square a negative number in the context of inverse proportion?

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