8th Grade Relations and Functions Unit Review

Front

Back

Front

Is the relation a function?

Back

Yes, each input has exactly one output

Front

Evaluate the function g(x)=-2x+1 when x = -2, 3, & 9.

Back

g(-2)=5, g(3)=-5, g(9)=-17

Front

Use the graph to write a linear function that relates y to x.

Back

Front

Graph of the function y=-x+4

Back

Front

Does the table represent a linear or nonlinear function?

Back

nonlinear

Front

Equation for nth term of arithmetic sequence: -3, -1, 1, 3, ...

Back

Front

The table shows the number y lollipops made in x batches. What is the missing y-value that makes the table represent a linear function? Options: 44, 42, 64, 48

Back

42

Front

Use the table to write a linear function that relates y to x.

Back

y = x - 4

Front

The graph shows the heating bill cost at your house. Describe the change in usage from January to May.

Back

The heating cost decreases as the months increase.