Reflect ordered pairs across the x- or y-axis by changing signs
Across the x-axis, the x-value stays and the y-value changes sign. Across the y-axis, it is the reverse.
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Reflect the point (3, −1) across the x-axis. Write the new point.
Answer: (3, 1)
Reflect the point (−1, −3) across the x-axis. Write the new point.
Answer: (−1, 3)
Reflect the point (3, −3) across the x-axis. Write the new point.
Answer: (3, 3)
Tip: Across the x-axis, the x-value stays and the y-value changes sign. Across the y-axis, it is the reverse.
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