Math

QuestionIdentify the transformation for XYZ\triangle XYZ from ABC\triangle ABC and describe the rule for transforming D(0,3)D(0,3) to D(3,0)D'(3,0).

Studdy Solution

STEP 1

Assumptions1. The vertices of the original triangle are D(0,3),(1,8), and F(-3,4). . The vertices of the transformed triangle are D'(3,0),'(8,-1), and F'(4,3).
3. The transformation involves only one type of transformation (either translation, reflection, or rotation).

STEP 2

First, let's compare the coordinates of the original triangle and the transformed triangle.(0,)D(,0)(0,) \rightarrow D'(,0)(1,8)(8,1)(1,8) \rightarrow'(8,-1)(,4)F(4,)(-,4) \rightarrow F'(4,)

STEP 3

We can see that in each pair, the x and y coordinates have been swapped. This indicates a reflection over the line y=x.

STEP 4

To confirm this, we can write the rule for a reflection over the line y=x. For any point (x, y), the reflected point is (y, x).

STEP 5

Now, let's apply this rule to the vertices of the original triangle and see if we get the vertices of the transformed triangle.
(0,3)D(3,0)(0,3) \rightarrow D'(3,0)(1,8)(8,1)(1,8) \rightarrow'(8,1)(3,4)F(4,3)(-3,4) \rightarrow F'(4,-3)

STEP 6

We can see that the rule doesn't give us the correct transformed points. This means that there is another transformation involved.

STEP 7

Let's try adding a reflection over the x-axis to our transformation. The rule for a reflection over the x-axis is (x, y) -> (x, -y).

STEP 8

Now, let's apply this rule to the points we got from the reflection over the line y=x.
(3,0)D(3,0)'(3,0) \rightarrow D''(3,0)(8,1)(8,1)'(8,1) \rightarrow''(8,-1)(4,3)F(4,3)'(4,-3) \rightarrow F''(4,3)

STEP 9

Now we can see that applying both transformations gives us the correct transformed points. So the transformation used to create triangle D'E'' from triangle DEF is a reflection over the line y=x followed by a reflection over the x-axis.
The rule for this transformation is (x, y) -> (y, -x).

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