Use the function rules to find the coordinates of ΔA"B"C" and predict the quadrant it will be in after the transformations. ΔABC , with coordinates A(−8,4) , B(−5,8) , and C(−3,3) , is transformed by (x,y)→(x+4,y−6) to produce ΔA′B′C′ . ΔA′B′C′ is transformed by the rule (x,y)→(x+5,y−3) . Create the rule for the composition transformation and predict what quadrant the image will be in

1 answer

Let's first find the coordinates of \(\Delta A'B'C'\) after applying the first transformation to \(\Delta ABC\).

  1. Original Coordinates:

    • \(A(-8, 4)\)
    • \(B(-5, 8)\)
    • \(C(-3, 3)\)
  2. Transformation 1: \((x, y) \to (x + 4, y - 6)\)

Applying this transformation to each point:

  • For point \(A\): \[ A' = (-8 + 4, 4 - 6) = (-4, -2) \]

  • For point \(B\): \[ B' = (-5 + 4, 8 - 6) = (-1, 2) \]

  • For point \(C\): \[ C' = (-3 + 4, 3 - 6) = (1, -3) \]

Now the coordinates of \(\Delta A' B' C'\) are:

  • \(A'(-4, -2)\)
  • \(B'(-1, 2)\)
  • \(C'(1, -3)\)
  1. Transformation 2: \((x, y) \to (x + 5, y - 3)\)

Next, we apply this transformation to each point of \(\Delta A'B'C'\):

  • For point \(A'\): \[ A'' = (-4 + 5, -2 - 3) = (1, -5) \]

  • For point \(B'\): \[ B'' = (-1 + 5, 2 - 3) = (4, -1) \]

  • For point \(C'\): \[ C'' = (1 + 5, -3 - 3) = (6, -6) \]

The coordinates of \(\Delta A''B''C''\) are:

  • \(A''(1, -5)\)
  • \(B''(4, -1)\)
  • \(C''(6, -6)\)
  1. Create the Rule for the Composition Transformation:

The overall transformation is a combination of both transformations:

  1. First Transformation: \((x, y) \to (x + 4, y - 6)\)
  2. Second Transformation: \((x, y) \to (x + 5, y - 3)\)

To carry out the composition:

  • The combined transformation can be written as:

\[ (x, y) \to (x + 4 + 5, y - 6 - 3) = (x + 9, y - 9) \]

  1. Predicting the Quadrant:

Now let's analyze the final coordinates:

  • \(A''(1, -5)\), \(B''(4, -1)\), and \(C''(6, -6)\).

All points have a positive x-coordinate and a negative y-coordinate. Thus, they are located in Quadrant IV, where \(x > 0\) and \(y < 0\).

Final Result:

  • The coordinates of \(\Delta A''B''C''\) are \(A''(1, -5)\), \(B''(4, -1)\), and \(C''(6, -6)\).
  • The transformation rule is \((x, y) \to (x + 9, y - 9)\).
  • The resulting image will be in Quadrant IV.