Identify Linear Functions (Graphs) - Function Worksheet With Answers Page 14
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20Answer 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)
2
X
Y=
no
1.
2) Y=5+X
yes
2.
2
3) Y=X
no
3.
4) Y=8×X-(X×-1)
yes
4.
5) Y=X-5
yes
5.
X
6) Y=8
+4
no
6.
7) Y=X+9
yes
7.
8) Y=-X
yes
8.
2
9) Y=X
+3
no
9.
10)
2
X
-2
Y=
no
10.
11) Y=-X-8
yes
11.
12) Y= X
no
12.
13) Y= X+9
no
13.
14) Y=9-X
yes
14.
15)
2
X
Y=
no
15.
⁄
X
16) Y=7+
2
yes
16.
⁄
X
17) Y=
×2
5
yes
17.
2
18) Y=3×X+6
yes
18.
⁄
X
19) Y=
6
yes
19.
20) Y= X×7
no
20.
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