Chapter 4: Equations and Roots, The Quadratic Formula 4.1 Roots Find (without a calculator) roots of numbers when they exist. Simplify a square root. Simplifying square roots (Mathispower4u) 4.2 Adding, Subtracting, and Multiplying Expressions With Roots Add, subtract and multiply expressions containing roots. Multiplying roots - look at first example only (Mathispower4u) Multiplying expressions with roots (Mathispower4u) Multiplying binomials with roots (Mathispower4u) Squaring binomials with roots (Mathispower4u) More multiplying binomials with roots (Mathispower4u) 4.3 Solving Quadratic Equations With The Quadratic Formula Solve quadratic equations using the quadratic formula. Simplifying quadratic formula type results (Mathispower4u) Quadratic formula example 1 (Mathispower4u) Quadratic formula example 2 (Mathispower4u) Quadratic formula example 3 (Mathispower4u) 4.4 Solving Quadratic Equations With The Quadratic Formula Solve equations containing roots. Simple introductory examples (Mathispower4u) Basic examples (Mathispower4u) More advanced examples (Mathispower4u) Cube root and fourth root Examples (Mathispower4u) Return to Math 100 page