Constant of proportionality — Grade 7 Accelerated, what it means and where it is taught
The unit rate, written k, in y = kx.
Taught in Grade 7 Accelerated.
Where it is taught
What it rests on
Work through these first if this one does not settle.
- Unit rate — A rate with denominator 1 — how much for exactly one.
Practise this idea
1 question in the course bank use Constant of proportionality, in Proportional Relationships.
Problem 1
A table shows x = 2, 4, 6 with y = 10, 20, 30. Find the constant of proportionality k.
Worked answer
5
102 = 5, 204 = 5, 306 = 5
k = 5