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Examples
Lessons
1. Reflection in the x-axis
Reflect a quadratic function in the x-axis:
1. Sketch the following functions on the same set of coordinate axes:
$y = x^2$      VS.      $-y = x^2$
2. Compared to the graph of $y = {x^2}$, the graph of $- y = {x^2}$ is a reflection in the _______________ .
2. Compared $y = x^2$ to basic quadratic function:
i) describe every step of transformations
ii) use transformation concepts to sketch the function
1. $y = 2(x-3)^2-8$
2. $y=- \frac{1}{3}(x+5)^2+4$
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