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Mathematics 15 Online
OpenStudy (anonymous):

A student reasons that (4,1) is a solution of y = 3x + 1 because x = 1 when y = 4. Explain and correct the student’s error.

OpenStudy (anonymous):

The point (4, 1) means that x = 4, y = 1 satisfies the equation. Obviously, it does not match with how he reasoned it (that x = 1, when y = 4). Rather, the point should be (1, 4).

OpenStudy (anonymous):

ok wow thanks thats what i thought but then my friend made me second guess myself

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