IGCSE /Grade 9
Maths MCQ Based On Finding the constant of proportionality from a graph
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IGCSE Grade 9 Maths Finding the constant of proportionality from a graph
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constant speed is the same as constant of proportionality
To find the constant of proportionality, we can choose any two points and calculate the ratio of the y-coordinates to the x-coordinates.
the formula of k when y is inversely proportional to x
To find the constant of proportionality, we can choose any two points and calculate the ratio of the y-coordinates to the x-coordinates.
The constant of proportionality is a measure of the rate of change between the variables.
the formula of k when y directly proportional to x
Observe the points on the given graph.
Find the slope of the points given
identify the coordinates of one of the points on the line
A constant of proportionality greater than 1 indicates a steeper slope.
Find the ratio of the x and y co-ordinates.
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