Patterns And Relations Worksheet - Grade 7 Page 42

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LESSON
Use algebra. Write a relation for
For each relation below:
8.
10.
each Input/Output table.
i) Describe a real-life situation
a)
that could be represented by the
Input
Output
n
relation.
ii) Make a table of values.
1
12
iii) Graph the relation.
2
13
iv) Describe the graph.
3
14
4
15
v) Write 2 questions you could
answer using the graph.
b)
Input
Output
Answer the questions.
n
a) 4
2m is related to m.
1
2
b) 15
2d is related to d.
2
7
3
12
Gerad is paid $6 to supervise a
11.
4
17
group of children at a day camp.
He is paid an additional $2 per child.
Match each graph with one of
1.6
9.
a) Write a relation to show how the
the relations below.
total amount Gerad is paid is
a)
related to the number of children
8
7
supervised, c.
6
5
b) Copy and complete this table of
4
3
b)
8
values for the relation.
2
7
1
6
Amount Paid
0 1 2 3
4 5
5
c
4
Input
($)
3
2
0
1
0 1 2 3
5
Input
c)
18
10
15
12
15
9
6
3
c) Draw a graph to show the
0 1 2 3
4 5 6
relation. Describe the graph.
Input
d) Use the graph to answer these
questions:
i) 7
3n is related to n.
i) How much money is Gerad
ii) 4n
3 is related to n.
paid when he supervises
iii) n
1 is related to n.
25 children?
iv) n
3 is related to n.
ii) Gerad was paid $46.
v) 3n
3 is related to n.
How many children did he
vi) 7
n is related to n.
supervise? Show your work.
45
Unit Review

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