Math Problem Statement
Point P(-5,7) is translated four units right and nine units down, followed by a reflection over the x axis. What is the final image point?
Solution
To find the final image point, we will perform the transformations step by step:
Step 1: Translate Point
- Four units right: Add 4 to the x-coordinate:
- Nine units down: Subtract 9 from the y-coordinate:
Thus, after translation, the point becomes .
Step 2: Reflect Over the X-Axis
- In reflection over the x-axis, the x-coordinate remains the same, but the y-coordinate is negated.
(no change)
Thus, the final image point is .
Would you like me to elaborate further on any part of the transformations? Here are five related questions to deepen your understanding:
- What happens when a point is reflected over the y-axis instead of the x-axis?
- Can you describe the effect of translating a point diagonally?
- How do you find the midpoint between the original point and the final image?
- What is the formula for a general reflection over the origin?
- What changes if the translation happens before the reflection?
Tip: Always apply transformations step-by-step and verify the order of operations in composite transformations!
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Math Problem Analysis
Mathematical Concepts
Coordinate Geometry
Transformations
Translation
Reflection
Formulas
Translation formula: (x + a, y + b)
Reflection over x-axis formula: (x, -y)
Theorems
Properties of Translation
Properties of Reflection
Suitable Grade Level
Grades 6-8
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