2.1 Real-World Algebra
Build and use formulas to tackle real-world situations with algebra.
Using Formulas
Practice Using Formulas
Using Variables
Practice Using Variables
Adjusting Formulas
Practice Adjusting Formulas
Equivalent Formulas
Practice Equivalent Formulas
More Than One Variable
Practice More Than One Variable
Comparing Offers
Practice Comparing Offers
Unit Prices
Practice Unit Prices
Using Unit Prices
Practice Using Unit Prices
Controlling Costs
Practice Controlling Costs
Calculating Percentages
Practice Calculating Percentages
Percent Discount
Practice Percent Discount
Working with Percentages
Practice Working with Percentages
Course description
Learn algebra by investigating real-world problems involving variables, percentages, and rates. You'll focus on the key mathematical ideas and how to apply them to practical situations, not on tedious calculations. By the end of the course, you'll be putting algebra to work to evaluate discounts, manage constraints, and control costs.
Topics covered
- Algebraic Expressions
- Equations
- Percent Change
- Proportions
- Rates
- Unit Rate
- Variables
- Writing Equations
Prerequisites and next steps
This is a great course to use for starting or re-starting your study of math. Before you get started, you should be comfortable with numerical arithmetic (addition, subtraction, multiplication, and division), but no prior experience with algebra is needed.
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2.2 Understanding Graphs
Supercharge your thinking with the language of algebra.
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