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