Identify Linear Functions (Graphs) - Function Worksheet With Answers Page 5

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

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