Pearson Algebra 1 Common Core, 2011
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Pearson Algebra 1 Common Core, 2011 View details
Mid-Chapter Quiz
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Exercise 7 Page 252

Can you connect the points with a straight line?

Linear

Practice makes perfect
If a function is linear, the points can be connected by a straight line. If the function is nonlinear, the points cannot be connected by a straight line. Let's look at our points plotted on a coordinate plane.

If we use a straight edge, we can see that these points can be connected by a straight line.

Therefore, the given function is linear.