Algebra

Reasoning with Equations and Inequalities

### Lessons for this standard

Resources cannot be aligned to this standard, browse sub-standards to find lessons.

### Related standards

- This standard is part of: A.D
- This standard is derived from: CCSS.Math.Content.HSA-REI.D

#### More specific sub-standards

Solve systems of linear equations exactly and approximately (e.g., with graphs), focusing on pairs of linear equations in two variables.

Graph the solutions to a linear inequality in two variables as a half-plane (excluding the boundary in the case of a strict inequality) and graph the solution set to a system of linear inequalities in two variables as the intersection of the corresponding half-planes.

#### Similar standards in other grades

understand that the graph of an equation in two variables is the set of all its solutions plotted in the coordinate plane, often forming a curve (which could be a line).

graph the solutions to a linear inequality in two variables as a half-plane (excluding the boundary in the case of a strict inequality) and graph the solution set to a system of linear inequalities in two variables as the intersection of the corresponding half-planes.

#### Similar standards elsewhere

Solve systems of equations and inequalities graphically.

Represent and solve equations and inequalities graphically.

Represent and solve equations and inequalities graphically.

Represent and solve linear and exponential equations and inequalities graphically.