Back to Create equations in two or more variables — Problem 3 · Task Set 26

Exercises: Creating and Graphing Two-Variable Equations

Show your work for each problem. When writing equations, define your variables. When graphing, label both axes with variable names and units.

Grade 9·22 problems·~35 min·Common Core Math - HS Algebra·standard·hsa-ced-a-2

Work through problems with immediate feedback

Warm-Up: Review What You Know

These problems review skills you have already learned.

A graph shows hours worked ( $h$ ) on the horizontal axis and total pay in dollars ( $P$ ) on the vertical axis. Which statement correctly explains the axis assignment?

It is wrong — $P$ should be on the horizontal axis because pay is more important.

It is correct — $h$ is the independent variable (input) and $P$ depends on it.

It does not matter which variable goes on which axis.

It is wrong — both variables should share the same axis.