IGCSE /Grade 9
Maths MCQ Based On Writing equations for proportional relationships from graphs
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IGCSE Grade 9 Maths Writing equations for proportional relationships from graphs
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The graph shows that as x increases, y also increases in a direct proportion.
find the constant of proportionality. Start by identifying the coordinates of one of the points on the line.
Calculate the ratio of y-coordinate to the x-coordinate.
Calculate the ratio of the y-coordinate to the x-coordinate.
Remember that a proportional relationship means that the ratio between the two variables remains constant.
find the constant of proportionality. Start by identifying the coordinates of one of the points on the line.
Check if the ratio of candy purchases to free toy vouchers remains constant.
Calculate the ratio of the y-coordinate to the x-coordinate.
Calculate the ratio of the y-coordinate to the x-coordinate.
first find the constant of proportionality. Start by identifying the coordinates of one of the points on the line.
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