Identify Linear Functions (Graphs) - Function Worksheet With Answers Page 17

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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
X
1) Y=8+
9
yes
1.
2)
2
Y=
X
no
2.
3) Y=X-4
yes
3.
4) Y= 6×X
no
4.
5) Y=-X-6
yes
5.
6) Y=-X
yes
6.
7)
2
X
-9
Y=
no
7.
8) Y= X
no
8.
9) Y=7×X-(X×-1)
yes
9.
2
10) Y=X
+4
no
10.
2
11) Y=X
no
11.
12) Y=9-X
yes
12.
13) Y=3+X
yes
13.
2
14) Y=5×X+3
yes
14.
15) Y= X+3
no
15.
16) Y=X+7
yes
16.
17) Y=
X
+4
no
17.
X
18) Y=
×4
8
yes
18.
2
19) Y=-X
no
19.
X
20) Y=6
+2
no
20.
1-10 95 90 85 80 75 70 65 60 55 50
Math
9
11-20 45 40 35 30 25 20 15 10 5
0

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