Transformations: Stretch and Shrink

Transformations: Stretch and Shrink

Read each question carefully and follow the instructions to perform the transformations.

1. Plot the rectangle with vertices A(1,1), B(4,1), C(4,3), D(1,3) on the coordinate plane. Then, apply a vertical stretch by a factor of 2 to the rectangle. List the new coordinates of the vertices.

A'   B'   C'   D'  

2. Plot the triangle with vertices E(2,5), F(6,5), G(4,1) on the coordinate plane. Then, apply a horizontal shrink by a factor of 1/2 to the triangle. List the new coordinates of the vertices.

E'   F'   G'  

3. If a square with vertices (0,0), (2,0), (2,2), (0,2) undergoes a vertical stretch by a factor of 3, what are the new coordinates of the vertex (0,2)?

4. A horizontal shrink by a factor of 1/3 means the x-coordinates of the figure are multiplied by 3.

5. When a figure undergoes a vertical stretch, the   coordinates are multiplied by the stretch factor.

6. A horizontal stretch by a factor of 4 means the figure becomes   times wider.