The core idea in algebra is using letters to represent relationships between numbers without specifying what those numbers are!
Solving a system of equations or inequalities in two variables by elimination, substitution, and graphing.
We'll now progress beyond the world of purely linear expressions and equations and enter the world of quadratics (and more generally polynomials). Learn to factor expression that have powers of 2 in them and solve quadratic equations. We'll also learn to manipulate more general polynomial expressions.
Use the power of algebra to understand and interpret points and lines (something we typically do in geometry). This will include slope and the equation of a line.
Let's build our toolkit that allow us to manipulate exponents algebraically.
See how algebra can be useful when solving geometrical problems.
Linear_equations_and_inequalities
We will now equate two algebraic expressions and think about how it might constrain what value the variables can take on. The algebraic manipulation you learn here really is the heart of algebra.
This topic isn't algebra, but it is a survey of all of the most important pre-algebra skills you need to really digest algebra. These skills also tend to be pretty important in life in general!
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