Name: ___ANSWER KEY_____________
Date: __________________
Period: _________
Extra Practice
Function Tables
1) Match the following rules to the correct function table: x + 2 = y
x – 20 = y
𝒙
𝟐
=y
x∙ 2=y
X
Y
X
Y
X
Y
X
Y
40
20
40
80
40
42
40
20
34
17
34
68
34
36
34
14
20
10
20
40
20
22
20
0
6
3
6
12
6
8
6
-14
Rule: ________________
Answer:
𝒙
𝟐
Rule: _______________
Answer: x ∙ 2 = y
= y
Rule: ________________
Answer: x + 2 = y
Rule: _______________
Answer: x – 20 = y
2) Find the output for each input of y = 4x + 1 Answer: 5, 9, 13, 17
X
Y
1
?
2
?
3
?
4
?
Find the output for each input of y = 2x – 4 Answer: –4, –2, 0, 2
X
0
1
2
3
Y
?
?
?
?
3) The table below lists four solutions of 6x + 2. Find the missing values in the table. Answer: –10; (–2, –10)
X
6x + 2
Y
(X,Y)
3
6(3) + 2
20
(3,20)
0
6(0) + 2
2
-1
6(-1) + 2
-4
(-1,-4)
-2
6(-2) + 2
?
(-2, ?)
(0,2)
4) The table below lists four solutions of 2x – 3. Find the missing values in the table? Answer: –9; (–3, –9)
X
2x – 3
Y
(X,Y)
2
2(2) -3
1
(2,1)
3
2(3) –3
3
(3,3)
0
2(0) –3
-3
(0,-3)
?
(-3, ?)
-3
2(-3) - 3
5) Complete the following function table so that the rule is: multiply by –2 and add 6. Answer: 10, 8, 6, 4, 2
X
–3
–2
–1
0
1
2
Y
12
?
?
?
?
?
6) Complete each table with the given rule.
y = 2x – 4
X
6
4
2
0
–2
Answer: 4, 0, -4, -8
7)
𝒙
y = 10x + 5
Y
8
?
?
?
?
X
1
2
3
4
5
𝟐
X
0
4
8
12
16
Y
15
?
?
?
?
Answer: 25, 35, 45, 55
Which equation represents the rule for this function rule?
A. y = x + 5
B. y = x – 1
C. y = 2x + 2
D. y = 3x – 1
+2
Y
2
?
?
?
?
Answer: 4, 6, 8, 10
X
3
5
7
9
11
Y
8
12
16
20
24
Name: _________________________
Date: __________________
Period: _________
Extra Practice
Function Tables
1) Match the following rules to the correct function table: x + 2 = y
x – 20 = y
𝒙
𝟐
=y
x∙ 2=y
X
Y
X
Y
X
Y
X
Y
40
20
40
80
40
42
40
20
34
17
34
68
34
36
34
14
20
10
20
40
20
22
20
0
6
3
6
12
6
8
6
-14
Rule: ________________
Rule: _______________
Rule: ________________
2) Find the output for each input of y = 4x + 1
X
Y
1
?
2
?
3
?
4
?
Find the output for each input of y = 2x – 4
X
0
1
2
3
Y
?
?
?
?
3) The table below lists four solutions of 6x + 2. Find the missing values in the table.
X
6x + 2
Y
(X,Y)
3
6(3) + 2
20
(3,20)
0
6(0) + 2
2
-1
6(-1) + 2
-4
(-1,-4)
-2
6(-2) + 2
?
(-2, ?)
(0,2)
Rule: _______________
4) The table below lists four solutions of 2x – 3. Find the missing values in the table?
X
2x – 3
Y
(X,Y)
2
2(2) -3
1
(2,1)
3
2(3) –3
3
(3,3)
0
2(0) –3
-3
(0,-3)
?
(-3, ?)
-3
2(-3) - 3
5) Complete the following function table so that the rule is: multiply by –2 and add 6.
X
–3
–2
–1
0
1
2
Y
12
?
?
?
?
?
6) Complete each table with the given rule.
y = 2x – 4
X
6
4
2
0
–2
7)
𝒙
y = 10x + 5
Y
8
?
?
?
?
X
1
2
3
4
5
Which equation represents the rule for this function rule?
A. y = x + 5
B. y = x – 1
C. y = 2x + 2
D. y = 3x – 1
𝟐
+2
X
0
4
8
12
16
Y
15
?
?
?
?
X
3
5
7
9
11
Y
2
?
?
?
?
Y
8
12
16
20
24