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Lesson
6.3
2
y = x²

Quadratic Equations

A quadratic has the form ax² + bx + c = 0

The roots are the values of x where y = 0

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Welcome to Quadratic Equations! 👋

•What a quadratic equation is
•How to find roots using factoring
•The discriminant and what it tells us
Introduction
Key Concepts
Example
Quiz
Advanced
Summary
Two-Canvas System

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y = x²

Parabolas

The vertex form is y = a(x-h)² + k

where (h, k) is the vertex.

The standard form is ax² + bx + c = 0...

0:34 / 1:12
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📝 Quiz Time!Question 3 of 5
Score: 2/5
🔥🔥🔥

What is the discriminant of 2x² + 3x − 5 = 0?

Ab² − 4ac = 49
Bb² − 4ac = −31
Cb² − 4ac = 9
Db² − 4ac = 49 ✓
Explain Again

Think of a quadratic like a U-shaped curve. Where the curve crosses the x-axis — those crossing points are your roots, the solutions to the equation.

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Introduction
Key Concepts
Example
Quiz
Advanced
Summary
3 / 6complete · 50%
⏱18:32
4.2 / 10.0 credits
Credits Used42%

🎉 Lesson Complete!

12
Slides
22m
Duration
3/4
Quiz Score
6.3
Credits
Progress This Week80% (+15% vs last week)
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