Exercises: Represent Constraints with Equations, Inequalities, and Systems

Work through each section in order. For word problems, define your variables before writing any constraint.

Grade 9·20 problems·~40 min·Common Core Math - HS Algebra·standard·hsa-ced-a-3

Work through problems with immediate feedback

Warm-Up: Review What You Know

These problems review skills from earlier lessons.

Which of the following correctly describes the graph of $y \leq 2x + 1$ ?

A dashed line through $(0, 1)$ and $(1, 3)$ , with the region above the line shaded.

A solid line through $(0, 1)$ and $(1, 3)$ , with the region below the line shaded.

A dashed line through $(0, 1)$ and $(1, 3)$ , with the region below the line shaded.

A solid line through $(0, 1)$ and $(1, 3)$ , with the region above the line shaded.