9th grade

Understand solving equations as a process of reasoning and explain the reasoning.

Solve equations and inequalities in one variable.

How Do You Solve an Equation?

What Is the Change Sides, Change Sign Rule?

How Do You Isolate x When It’s Multiplied by a Number in an Equation?

How Do You Isolate x When There’s a Number in the Denominator?

How Do You Solve an Equation Containing Parentheses?

Solve quadratic equations

How Do You Solve a Quadratic Equation Using the Quadratic Formula?

How Do You Solve an Unorganized Quadratic Equation?

What Happens When The Discriminant is Positive?

What Happens When The Discriminant is 0?

What Happens When The Discriminant is Negative?

How Do You Solve Quadratic Equations When b Equals 0?

How Do You Solve Quadratic Equations When c Equals 0?

Completing the square

What Is the Formula for Completing the Square?

Solve quadratic equations

How to Solve Quadratic Equations

Solve systems of equations

Solve systems of linear equations

What Is a System of Equations?

How Do You Solve a System of Equations Graphically?

How Many Solutions Can a Linear System of Equations Have?

How Do You Solve a System of Two Equations Using the Substitution Method?

Solve systems of linear equations

How Do You Solve a System of Two Equations with the Elimination Method?

How Do You Set up a System of Equations from a Word Problem?

Understanding the functions

What Is a Linear Function?

Reading information from a graph

How Do You Read Information From a Graph?

Graph a solution as a half-plane

Equations and Inequalities