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Question 7 (Multiple Choice, Worth 2 points)

Polygon JKLM is drawn with vertices [tex]\(J(-2,-5), K(-4,0), L(-1,2), M(0,-1)\)[/tex]. Determine the image coordinates of [tex]\(M^{\prime}\)[/tex] if the preimage is translated 4 units.

A. [tex]\(M^{\prime}(-4,-1)\)[/tex]

B. [tex]\(M^{\prime}(4,-1)\)[/tex]

C. [tex]\(M^{\prime}(0,-5)\)[/tex]


Sagot :

To solve this problem, we are given the coordinates of point [tex]\(M\)[/tex] from polygon [tex]\(JKLM\)[/tex], which are [tex]\(M(0, -1)\)[/tex]. We need to determine the new coordinates of point [tex]\(M'\)[/tex] after translating point [tex]\(M\)[/tex] 4 units to the right.

1. Identify the original coordinates of point [tex]\(M\)[/tex]:
- [tex]\(M(0, -1)\)[/tex]

2. Understand the translation rule:
- A translation of 4 units to the right changes the x-coordinate by adding 4 to it.
- The y-coordinate remains unchanged during the horizontal translation.

3. Apply the translation to the point [tex]\(M\)[/tex]:
- Calculate the new x-coordinate:
[tex]\[ M_{\text{x}}' = M_{\text{x}} + 4 = 0 + 4 = 4 \][/tex]
- Calculate the new y-coordinate (since it remains the same):
[tex]\[ M_{\text{y}}' = M_{\text{y}} = -1 \][/tex]

4. Construct the new coordinates of point [tex]\(M'\)[/tex]:
- [tex]\(M'(4, -1)\)[/tex]

Therefore, after translating point [tex]\(M\)[/tex] 4 units to the right, the new coordinates of [tex]\(M'\)[/tex] are [tex]\( (4, -1) \)[/tex].

Thus, the correct answer is:
[tex]\[ M^{\prime}(4, -1) \][/tex]
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