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Home > CC4 > Chapter 3 > Lesson 3.2.3 > Problem 3-103

3-103.

On graph paper, graph ΔABC if A(–4, 3), B(–6, 1), and C(–8, 5). 3-103 HW eTool (Desmos) Homework Help ✎.

  1. Rotate ΔABC 90° clockwise (↻) about the origin to form ΔABC′. What are the coordinates of A′?

  2. Apply the function (x, y) → (x + 5, y + 1) to translate ABC′. What are the new coordinates of point C″? If you need help remembering this notation, refer to your work from problem

  • Make sure you are translating ΔA'B'C' obtained from part (a).

Use the eTool below to solve each part.
Click the link at right for the full version of the eTool: Int1 3-103 HW eTool.