Patterns And Relations Worksheet - Grade 7 Page 30
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46Copy and complete this Input/Output table
1.
Input
Output
n
for each relation.
a) 4n is related to n.
1
b) x
3 is related to x.
2
c) 4c
6 is related to c.
3
4
Graph each relation in question 1.
2.
5
Suggest a real-life situation it could represent.
3. a)
Copy and complete this Input/Output table
Input
Output
a
to show how 6a
4 is related to a.
2
b) Graph the relation.
4
What scale did you use on the vertical axis?
6
How did you make your choice.
8
c) Explain how the graph illustrates the relation.
10
Look at the graph on the right.
4.
a) What is the output when the
24
20
input is 1?
16
b) Which input gives the output 18?
12
8
c) Extend the graph. What is the output
4
when the input is 8?
0
1
2 3
4 5 6 7 8
d) Suggest a real-life situation this graph
Input
could represent.
Admission to Fun Place is $5.
5.
Number of
Total
Go-Cart
Cost
Each go-cart ride costs an additional $3.
Rides
($)
a) Write a relation to show how the total cost
0
is related to the number of go-cart rides.
1
b) Copy and complete this table.
c) Draw a graph to show the relation.
2
Describe the graph.
3
d) Use the graph to answer these questions:
4
i) Erik goes on 6 go-cart rides.
5
What is his total cost?
ii) Before entering the park, Lydia has $30.
How many go-cart rides can she afford?
33
1.6 Graphing Relations
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