Math Problem Statement

In a Cartesian coordinate system, when line segment AB is translated to become line segment A'B', if the coordinates of point A(-1, 3) correspond to A'(4, -4), then the coordinates of point B(2, 4) corresponding to B' are ().

Solution

The problem involves the translation of a line segment in a Cartesian coordinate system. Here's the breakdown:

We are given:

  • The original point A(1,3)A(-1, 3) is translated to A(4,4)A'(4, -4).
  • The coordinates of point B(2,4)B(2, 4) need to be translated similarly, and we are asked to find the coordinates of the translated point BB'.

Step 1: Find the translation vector

The translation from AA to AA' is: Translation Vector=(xx,yy)=(4(1),43)=(5,7)\text{Translation Vector} = (x' - x, y' - y) = (4 - (-1), -4 - 3) = (5, -7)

Step 2: Apply the translation to point BB

Now, apply the same translation vector (5,7)(5, -7) to point B(2,4)B(2, 4): B=(2+5,47)=(7,3)B' = (2 + 5, 4 - 7) = (7, -3)

Answer:

The coordinates of point BB' are (7,3)(7, -3).

Let me know if you'd like further explanation or if you have any questions!

Here are 5 related questions:

  1. How do you find the translation vector between two points?
  2. What is the effect of applying a translation in the Cartesian coordinate system?
  3. Can the translation vector change if the points are located in different quadrants?
  4. How do you determine the new coordinates of a point after applying a translation in 3D space?
  5. What would happen if we reflected point AA instead of translating it?

Tip: Always check that the translation vector is applied to each point correctly—addition for the x-coordinates and y-coordinates.

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Math Problem Analysis

Mathematical Concepts

Coordinate Geometry
Translation of Points
Vectors

Formulas

Translation formula: (x' = x + tx, y' = y + ty)

Theorems

Translation of points in Cartesian coordinates

Suitable Grade Level

Grades 7-9