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) 4𝑥 + 2𝑦 = 12
linear
non-linear
3
2) 𝑦 = 8𝑥 − 9
linear
non-linear
3
3) 𝑦 = − 4 𝑥 + 5
linear
non-linear
4) 𝑥 2 + 2𝑦 2 = 27
5) −10𝑥 = 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? ________