Interactive practice questions
Which two of the following graphs indicate that $y$y is directly proportional to $x$x?
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A
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B
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C
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D
Easy
< 1min
Which of the following is the best description of direct proportion?
Medium
< 1min
Given that $y=2x$y=2x, find the missing values in the table.
Easy
< 1min
Consider the values in each table. Which of them could represent a directly proportional relationship between $x$x and $y$y?
Easy
< 1min
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