Introduction to algebra

Progress
Overview and history of algebra
Introduction to variables
Substitution and evaluating expressions
Evaluating expressions word problems
Writing algebraic expressions introduction
Introduction to equivalent algebraic expressions
Dependent & independent variables
Combining like terms
Interpreting linear expressions
Irrational numbers
Sums and products of rational and irrational numbers
Proofs concerning irrational numbers
Division by zero
Binary and hexadecimal number systems
Unit test
15 questions

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About this unit
This topic covers: - Evaluating algebraic expressions - Manipulating algebraic expressions & equivalent expressions - Seeing structure in expressions - Irrational numbers - Division by zero