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[tex]$\triangle ZAP$[/tex] has coordinates [tex]$Z(-1, 5)$[/tex], [tex]$A(1, 3)$[/tex], and [tex]$P(-2, 4)$[/tex]. A translation maps point [tex]$Z$[/tex] to [tex]$Z'(1, 1)$[/tex]. Find the coordinates of [tex]$A'$[/tex] and [tex]$P'$[/tex] under this translation.

A. [tex]$A'(3, -1); P'(0, 0)$[/tex]
B. [tex]$A'(-4, 0); P'(-1, -1)$[/tex]
C. [tex]$A'(-1, -1); P'(-4, 0)$[/tex]
D. [tex]$A(0, 0); P(3, -1)$[/tex]

Sagot :

To tackle this problem, we need to determine the coordinates of points [tex]\( A' \)[/tex] and [tex]\( P' \)[/tex] after the translation, given the original triangle with vertices [tex]\( Z(-1,5) \)[/tex], [tex]\( A(1,3) \)[/tex], and [tex]\( P(-2,4) \)[/tex]. We are informed that the translation maps the point [tex]\( Z(-1,5) \)[/tex] to [tex]\( Z'(1,1) \)[/tex].

First, we'll calculate the translation vector that maps [tex]\( Z \)[/tex] to [tex]\( Z' \)[/tex]. The translation vector can be found by subtracting the original coordinates of [tex]\( Z \)[/tex] from the coordinates of [tex]\( Z' \)[/tex]:

[tex]\[ \text{Translation vector} = (1 - (-1), 1 - 5) = (2, -4) \][/tex]

With the translation vector [tex]\((2, -4)\)[/tex], we can now apply this translation to the other points [tex]\( A \)[/tex] and [tex]\( P \)[/tex].

### Translating Point [tex]\( A(1,3) \)[/tex]
To find [tex]\( A' \)[/tex], add the translation vector to the coordinates of [tex]\( A \)[/tex]:

[tex]\[ A' = (1 + 2, 3 - 4) = (3, -1) \][/tex]

### Translating Point [tex]\( P(-2,4) \)[/tex]
Similarly, to find [tex]\( P' \)[/tex], add the translation vector to the coordinates of [tex]\( P \)[/tex]:

[tex]\[ P' = (-2 + 2, 4 - 4) = (0, 0) \][/tex]

Thus, applying the translation vector [tex]\((2, -4)\)[/tex] to points [tex]\( A \)[/tex] and [tex]\( P \)[/tex] results in:

[tex]\[ A' = (3, -1) \quad \text{and} \quad P' = (0, 0) \][/tex]

The coordinates of [tex]\( A' \)[/tex] and [tex]\( P' \)[/tex] under this translation are:

[tex]\[ \boxed{(3, -1) ; (0, 0)} \][/tex]

Given the multiple-choice options, the correct answer is:

[tex]\[ A^{\prime}(3, -1) ; P(0, 0) \][/tex]