Constant of Proportionality Calculator

Find k in y = kx from a table, a single point or an equation. The calculator checks whether the relationship is proportional, explains each step and draws the graph.

What do you have?

Use integers, decimals or fractions such as 12, 2.5 or 3/4.

Practice

Score: 0 / 0 correct

Find k from a table, a point or a word problem, or decide whether a table is proportional.

Enter a fraction such as 5/2 or a decimal such as 2.5.