If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Interpreting graphs of proportional relationships

Problem

The relationship between the amounts of blue and red paint needed to make a certain shade of purple is shown in the following graph.
Which statements about the graph are true?
Choose all answers that apply:
Stuck?
Stuck?