Quadratic Formula Explained from Scratch | High School Algebra

Описание: Quadratic Formula Explained from Scratch | High School Algebra

Quadratic Formula Derivation Step-by-Step | SAT & CBSE Math

Want to understand where the Quadratic Formula really comes from?

In this video, we derive the quadratic formula step-by-step using the completing the square method — in a clear and simple way.

This lesson is perfect for:

🇺🇸 US Students (Algebra 1 / High School Math / SAT Prep)
🇮🇳 India Students (Class 9, Class 10 – CBSE / ICSE Boards)
🌎 International students preparing for IGCSE or competitive exams


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📚 What You Will Learn

✔ Starting from standard form: ax² + bx + c = 0
✔ Dividing by “a” correctly
✔ Completing the square step-by-step
✔ Understanding why ± appears
✔ Final derivation of the quadratic formula
✔ Conceptual clarity (not just memorization)


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🎯 Why This Is Important

Many students memorize:

x = (-b ± √(b² - 4ac)) / 2a

But very few understand how it is derived.

Once you understand the derivation:

You make fewer mistakes in exams

You gain deeper algebra confidence

You improve problem-solving ability for SAT, board exams, and competitive tests



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📈 Perfect For:

Algebra 1 Students (USA)

High School Math

SAT Math Section

CBSE Class 10 Math

Beginners learning quadratic equations

📌 Watch Next:

▶ Solution of Quadratic Equations by Factoring

▶ Solution of Quadratic Equations by Completing the Square

▶ Solution by Quadratic Formula
   • Solve Quadratic Equations by Quadratic For...  


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