Mathematics Grade 8 15 min

Find the constant of proportionality from a table

Find the constant of proportionality from a table

Tutorial Preview

1

A table shows x values 2, 4, 6 and y values 6, 12, 18. Find the constant of proportionality.

2

A table shows x values 4, 8, 12 and y values 2, 4, 6. Find the constant of proportionality.

3

A table shows cost (y) for pounds of apples (x): (2, $3.00), (3, $4.50). Find the constant.

Sample Practice Questions

Easy
Find the constant of proportionality (k) from the table. x: 2, 3, 4. y: 4, 6, 8.
0.2
1.4
2.6
3.8
Easy
What is the constant of proportionality (k) in this table? x: 1, 2, 3. y: 5, 10, 15.
0.1
1.3
2.5
3.10
Easy
Find the constant of proportionality (k). x: 10, 20, 30. y: 1, 2, 3.
0.10
1.1/10
2.1
3.20

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