Name ______________________________________ Period ______ Date ______________________ Linear/Nonlinear – Increasing/Decreasing PRACTICE A For #1-8, determine if each relation is linear or non-linear. Circle the correct choice. 1) 4 + 2 = 12 linear non-linear 3 2) = 8 − 9 linear non-linear 3 3) = − 4 + 5 linear non-linear 4) 2 + 2 2 = 27 5) −10 = 4 linear linear non-linear non-linear 6) 7) linear non-linear 8) linear non-linear linear non-linear Use the following graphs to answer questions #9 – 13. Some questions may have more than one answer. A B C D E F 9) Which graph is increasing only? ________ 10) Which graph is decreasing only? ________ 11) Which graph is both increasing and decreasing? ________ 12) Which graph is not increasing nor decreasing? ________ 13) Which graph is increasing at a constant rate? ________

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# WS Linear Nonlinear Practice A