Constant of Proportionality Practice Pack
Practice finding k from tables, graphs, equations, and word problems. Includes step-by-step answer key and digital version.
What's Included
8 pages: 2 pages finding k from tables, 2 pages finding k from graphs, 2 pages finding k from equations, 1 page finding k from word problems, 1 mixed review page.
Skills Covered
Finding the constant of proportionality from any representation. Understanding k as the unit rate and slope. Writing the equation y = kx once k is found.
Sample Problems
From a Table
Find k: x=3,y=15; x=7,y=35; x=10,y=50
From a Graph
A line passes through (6, 18). Find k.
From a Word Problem
A printer prints 45 pages in 3 minutes at a constant rate. Find k.
Standards
Frequently asked questions
What is the constant of proportionality?
The fixed number k in y = kx. It tells you how much y changes per 1 unit of x.
Is k the same as slope?
Yes, when the line passes through the origin.
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