Understanding Graphing Quadratic Equations using Transformations
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Beginner
Start here! Easy to understand
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Beginner Explanation
We start with y = x^2, which is a parabola symmetric about the y-axis with vertex at (0,0). Adding a constant c shifts it up or down. For example, y = x^2 + 3 moves the vertex to (0,3). See interactive example: https://www.desmos.com/calculator/vertical_shift.
Practice Problems
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1
Quick Quiz
Single Choice Quiz
Beginner
What transformation does $y = x^2 + 3$ represent?
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2
Real-World Problem
Question Exercise
Intermediate
Teenager Scenario
A skateboarder launches off a ramp described by $y = -x^2 + 6x - 8$. How high does the ramp launch the skateboarder?
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3
Thinking Challenge
Thinking Exercise
Intermediate
Think About This
Consider the transformation $y = -\frac{1}{2}(x - 4)^2 + 5$. What are the transformations?
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4
Challenge Quiz
Single Choice Quiz
Advanced
Given $y = 3(x + 2)^2 - 7$, which describes the transformations?
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Recap
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