Concept explainers
To write: equation for a parabola that has been translated, compressed and reflected in the x axis.
Answer to Problem 48HP
The parabola of translated, compressed and reflected in the x axis is
Explanation of Solution
Given information:
The parabola has been translated, compressed and reflected.
Formula used:
We will use the parabola
Calculation:
Consider that the parabola is
Then the parabola is
Here we will apply a horizontal translation to left or to right and we have
Then we will compress the parabola by the coefficient
Therefore
To reflect the parabola over the x axis we have to change the sign of its coefficient
Therefore
The parabola above mentioned is just for an example.
Chapter 4 Solutions
Glencoe Algebra 2 Student Edition C2014
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