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How to Find Fractional and Decimal Percentages

How to Find Fractional and Decimal Percentages

Most percent problems involve whole-number percents like 25% or 80%, but sometimes you encounter fractional percentages (like \(\color{blue}{\frac{1}{2}}\)%) or decimal percentages (like 2.5%). These behave exactly the same as whole-number percents — you still divide by 100 to convert to a decimal — but the numbers can trip students up. This lesson removes that confusion. […]

How to Graph Functions

How to Graph Functions

Algebra 1 How to Graph Functions Graphing a function means turning a rule into a picture: feed in \(x\)-values, get \(y\)-values, plot the points, and connect them. Once you know the shape each family makes — a line, a parabola, a V — you can sketch fast. We’ll build that instinct with verified graphs, a […]

How to Solve Special Systems

How to Solve Special Systems

How to Solve Compound Inequalities

How to Solve Compound Inequalities

How to Transform Linear Functions

How to Transform Linear Functions

How to use Intercepts

How to use Intercepts

Rules of Exponents

Rules of Exponents

How to Factor Quadratics Using Algebra Tiles

How to Factor Quadratics Using Algebra Tiles

How to Write a Formula for a Recursive Sequence

How to Write a Formula for a Recursive Sequence

How to Rearranging a Multi-Variable Equation

How to Rearranging a Multi-Variable Equation

How to Add and Subtract Polynomials Using Algebra Tiles

How to Add and Subtract Polynomials Using Algebra Tiles

How to Write an Exponential Function: Word Problems

How to Write an Exponential Function: Word Problems