Grade 8 Math Sample Question 20

Which coordinate is not on the line y = 3x – 1?

A) (0, -1)

B) (-1, 2) (Correct Answer)

C) (2, 5)

D) (4, 11)

Explanation:
To determine which coordinate does not represent the line y = 3x – 1, replace the variables x and y with the ordered pair values. In this case, replacing the variable x with the value of -1 yield -4, not 2.

Related Common Core State Standard: Functions: 8.F.1

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Ray Shawn

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