Expressions and Equations

Understanding powers

Why Do You Need to Use Powers?

What Is a Power?

How Do You Multiply Powers with the Same Base?

How Do You Divide Powers with the Same Base?

How Do You Evaluate a Power with a Negative Base?

How Do You Evaluate a Power with Zero in the Exponent?

How Do You Evaluate a Power with a Negative Exponent?

How Can You Simplify Fractions Using the Negative Exponent Rule?

Understanding algebraic expressions

Why Do You Need Algebra?

What Is Algebra?

What Is a Variable?

What Is a Coefficient?

What Is an Algebraic Expression?

Combining algebraic terms

How Do You Combine like Terms?

Replace variable with number

How Do You Replace a Variable with a Number?

Arithmetic with algebraic expressions

How Do You Subtract Variables?

How Do You Add and Subtract Unlike Terms?

How Do You Multiply Numbers by Coefficients?

How Do You Combine Variables with Exponents?

Identify when algebraic expressions are equivalent

What Is an Equation?

Understanding equations

Why Do You Need to Know Equations?

Understanding linear equations

What Is a Linear Equation in One Variable?

How Do You Solve an Equation?

Solving linear equations

How Do You Create and Solve Inequalities in One Variable Using Addition and Subtraction?

How Do You Create and Solve Inequalities in One Variable Using Multiplication and Division?

How to Solve a Linear Inequality

What Is the Change Sides, Change Sign Rule?

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

Understanding functions

How Can You Make a Linear Function from a Word Problem?

Why Do You Need to Know Functions?

What Is a Function?

What Are Dependent and Independent Variables?

What Is a Linear Function?

What Are the Slope m and the y-Intercept b in a Linear Function?

How Do You Draw the Graph of a Linear Function?

How Do You Find the Slope of a Linear Function When You Know Two Points?

How Do You Find the y-Intercept, b?