Identify Linear Functions (Table) Worksheet Template With Answer Key Page 18
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20Answer Key
Identify Linear Functions (Table)
Name:
Determine if the table shown represents a linear function (yes) or not (no).
A n s w e r s
1)
2)
3)
4)
Y=-X+2
Y=-X-7
Y= 9×X
Y= X-5
no
X
Y
X
Y
1.
X
Y
X
Y
-4
6
-3
-4
5
6.708
10
2.236
yes
-7
9
-7
0
2.
6
7.348
6
1.000
-8
10
7
-14
7
7.937
7
1.414
yes
0
2
8
-15
3.
8
8.485
8
1.732
5
-3
9
-16
9
9.000
9
2.000
no
4.
no
5.
⁄
X
2
5)
6)
7)
8)
Y=X
-5
Y=3+X
Y= X×2
Y=3+
7
yes
X
Y
X
Y
6.
X
Y
X
Y
-2
-1.000
-6
-3
10
4.472
-5
2.286
no
0
-5.000
-8
-5
7.
3
2.449
-7
2
10
95.000
10
13
4
2.828
-8
1.857
yes
4
11.000
8
11
8.
6
3.464
4
3.571
5
20.000
9
12
7
3.741
6
3.857
no
9.
no
10.
9)
10)
11)
12)
Y=X-7
X
2
2
Y=
+9
X
-7
X
Y=
Y=
no
X
Y
X
Y
11.
X
Y
X
Y
-2
-9
0
9.000
-10
9.644
-7
7.000
yes
-7
-14
2
10.414
12.
-3
1.414
1
1.000
2
-5
3
10.732
-4
3.000
3
3.000
yes
6
-1
4
11.000
13.
6
5.385
5
5.000
8
1
5
11.236
9
8.602
6
6.000
yes
14.
yes
15.
2
13)
14)
15)
16)
Y=7×X-(X×-1)
Y=-X×2
Y=7×X+4
Y=-X
yes
X
Y
X
Y
X
Y
X
Y
16.
-2
-16
-8
16
-6
-26
-1
1
-4
-32
-9
18
-8
-40
-4
4
-5
-40
10
-20
0
16
-5
5
-8
-64
3
-6
6
58
-6
6
-9
-72
6
-12
7
65
-7
7
1-10 94 88 81 75 69 63 56 50 44 38
Math
9
11-16 31 25 19 13 6
0
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