English Language Arts
9th Grade /
Unit 4: Linear Equations, Inequalities and Systems /
Identify the solutions and features of a linear equation and when two linear equations have the same solutions.
Write linear equations given features, points, or graph in standard form, point-slope form, and slope-intercept form.
Determine if a function is linear based on the rate of change of points in the function presented graphically and in a table of values.
Identify inverse functions graphically and from a table of values in contextual and non-contextual situations.
Find inverse functions algebraically, and model inverse functions from contextual situations.
Describe the solutions and features of a linear inequality. Graph linear inequalities.
Write linear inequalities from graphs.
Write linear inequalities from contextual situations.
Solve a system of linear equations graphically.
Identify solutions to systems of inequalities graphically. Write systems of inequalities from graphs and word problems.
Solve linear systems of equations of two variables by substitution.
Identify solutions to systems of equations algebraically using elimination. Write systems of equations.
Identify solutions to systems of equations using any method. Write system of equations and inequalities.
Identify solutions to systems of equations with three variables.