### Home > INT1 > Chapter 4 > Lesson 4.1.2 > Problem 4-21

4-21.

Plot * *on graph paper with points ,

*, and*

*.*

Use the function

to transform . Graph and connect the new points then label this triangle . Describe how has been transformed. What, if anything, about the original triangle has been preserved in its image? Is

the same or different sized than ?

Isa reflection of ?

Is it a rotation?Now use the function

to transform the original to create . Has undergone a rigid transformation to create ? What, if anything, about the original triangle has been preserved in its image?

Remember that this transformation is applied to the original

.

Use the eTool below to transform the triangle for each part.

Click the link to the right to view full version: Int1 4-21 HW eTool.