GCSE Maths: Solving Quadratics with the Quadratic Formula for 2026/27 Exams

⭐️ Check out our website https://www.cognito.org/ ⭐️ *** WHAT'S COVERED *** 1. How to solve quadratic equations using the quadratic formula. * Identifying the coefficients a, b, and c from the standard form ax² + bx + c = 0. * Substituting the values of a, b, and c into the quadratic formula. 2. Understanding the ± symbol in the formula leads to two potential solutions. 3. Calculating the two solutions for x. 4. Worked examples demonstrating the application of the quadratic formula. *** EXAM BOARD INFO *** This video is suitable for maths courses around the world. KS3 - Not on your course GCSE Foundation - All on your course GCSE Higher - All on your course *** CHAPTERS *** 0:00 Intro: The Quadratic Formula 0:10 Identifying Coefficients a, b, and c 0:21 Example 1: Substituting Values 0:47 Two Answers from the ± Sign 1:00 Example 1: Calculation Steps 1:29 Calculating Rounded Decimal Answers 2:04 Calculating Exact (Surd) Answers 3:26 Example 2: Problem 3:39 Example 2: Identifying Coefficients 4:01 Example 2: Substituting Values 4:22 Example 2: Simplifying the Formula 4:45 Example 2: Final Rounded Answers *** PLAYLISTS *** https://youtube.com/playlist?list=PLidqqIGKox7XPh1QacLRiKto_UlnRIEVh&si=orIUwL3o2jOoiYjT https://youtube.com/playlist?list=PLidqqIGKox7X5UFT-expKIuR-i-BN3Q1g&si=DcihOwUkd9oWbbdp https://youtube.com/playlist?list=PLidqqIGKox7WeOKVGHxcd69kKqtwrKl8W&si=Y8MsO-FK948jnxpS https://youtube.com/playlist?list=PLidqqIGKox7UVC-8WC9djoeBzwxPeXph7&si=-7i5Iq7yOeJrhtu6 https://youtube.com/playlist?list=PLidqqIGKox7VKJD2WxRhoKaI6JGLVean8&si=NH_Q1ujhVgACM2FU #GCSE #Maths #study #revision #school #exam #AQA #OCR #Edexcel #IGCSE #IB #AP