Identify Linear Functions (Graphs) - Function Worksheet With Answers Page 8

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Answer Key
Identify Linear Functions (Graphs)
Name:
Determine if the equation shown represents a linear function (yes) or not (no).
A n s w e r s
1) Y=5×X-(X×-1)
yes
1.
2) Y= X+7
no
2.
3) Y=
X
+9
no
3.
4) Y=8-X
yes
4.
5) Y=-X×6
yes
5.
2
6) Y=-X
no
6.
2
7) Y=X
+5
no
7.
2
8) Y=4×X+8
yes
8.
9) Y=8×X-(X+3)
yes
9.
10) Y=X+6
yes
10.
X
11) Y=
2
yes
11.
12) Y= X
no
12.
13) Y=-X+9
yes
13.
14) Y= X-4
no
14.
15) Y=-X
yes
15.
2
16) Y=X
no
16.
2
17) Y=X
+6
no
17.
18)
2
X
Y=
no
18.
19) Y=X-6
yes
19.
X
20) Y=
×2
5
yes
20.
1-10 95 90 85 80 75 70 65 60 55 50
Math
4
11-20 45 40 35 30 25 20 15 10 5
0

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