IXL | Checkpoint: Linear and nonlinear functions | 8th grade math

Does the graph show a linear function?

Yes, because the graph includes the point

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Yes, because the graph is always increasing.

No, because the rate of change is constant.

No, because the graph is not a straight line.

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Work it out

Not feeling ready yet? These can help:

DD.1Identify linear and nonlinear functions: graphs and equations

DD.2Identify linear and nonlinear functions: tables