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Vertices of ΔXYZ are X(1, -3), Y(-2, -1) and Z(3, 1). For each translation, give the vertices of ΔXYZ'....

1. Vertices of ΔXYZ are X(1, -3), Y(-2, -1) and Z(3, 1). For each translation, give the vertices of ΔXYZ'. T<sub>(-4,2)</sub>(ΔXYZ)
2. What translation rule maps A(9, -3) to A'(5, -1)?
3. What translation is shown below?
Give the coordinates of each image:
1. T<sub>(-1,-3)</sub>(ΔABC) for A(5, 0), B(1, 2), C(6, -3)
2. T<sub>(-1,4)</sub>(ΔDEF) for D(3, 3), E(2, 3), F(0, 2)

Answer

  1. To find the vertices of ΔXYZ' after the translation T(-4,2), subtract 4 from the x-coordinates and add 2 to the y-coordinates of each vertex:

    • X'(1-4, -3+2) = X'(-3, -1)
    • Y'(-2-4, -1+2) = Y'(-6, 1)
    • Z'(3-4, 1+2) = Z'(-1, 3)
  2. The translation rule that maps A(9, -3) to A'(5, -1) is T(-4,2) because:

    • 5 = 9 - 4
    • -1 = -3 + 2
  3. The translation shown in the diagram is not visible, so no answer can be provided.

  4. For the translation T(-1,-3)(ΔABC):

    • A'(5-1, 0-3) = A'(4, -3)
    • B'(1-1, 2-3) = B'(0, -1)
    • C'(6-1, -3-3) = C'(5, -6)
  5. For the translation T(-1,4)(ΔDEF):

    • D'(3-1, 3+4) = D'(2, 7)
    • E'(2-1, 3+4) = E'(1, 7)
    • F'(0-1, 2+4) = F'(-1, 6)

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