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Reflection

CONCEPTS

Reflection

• Reflection across an y axis: (x, y) => (–x, y)

• Reflection across an x axis: (x, y) => (x, –y)

PRACTICE PROBLEMS

Question 1 What is (5, 3) reflected across the y-axis?


-- Answer -- x


Question 2 What does the reflection of the graph below over the y-axis look like?

-- Answer -- x



Question 3 What is (5, 3) reflected over line x = 2?


-- Answer -- x

ACT PRACTICE PROBLEMS

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