Barbara Johnson. Lecture 02: Operations with real numbers Lecture 04: Introduction to Algebraic Expressions Lecture 10: Applications and Problem Solving Lecture 15: Functions and Graphs Lecture 16: Finding Domain and Range Lecture 23: Solving Applications: System of Two Equations Lecture 30: Introduction to Factoring Lecture 40: Application and Problem Solving Lecture 44: Rational Numbers as Exponents Lecture 52: The Quadratic Formula Lecture 60: Inverse and Composite Functions Lecture 64: Solving Exponential and Logarithmic Equations Lecture 66: Conic Sections: Parabolas and Circles
