Identify Linear Functions (Graphs) - Function Worksheet With Answers Page 3

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

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