185k views
3 votes
A point undergoes two transformations. The x-coordinate's sign changes and the y-coordinate increases. What were the transformations?

The point was reflected over the y-axis and translated down.
The point was reflected over the x-axis and translated to the right.
The point was reflected over the y-axis and translated up.
The point was reflected over the x-axis and translated to the left.

User RAGOpoR
by
5.7k points

2 Answers

5 votes

Answer: The point was reflected over the y-axis and translated up.

Explanation:

User Brian Dilley
by
6.3k points
4 votes
For this case we are going to define the original coordinates:
(x, y): original coordinates.
We apply the transformation:
(x, y) -------> (-x, y + k)
We have:
-x: reflection on the y axis.
y + k: translation k units up.
Answer:
The point was reflected over the y-axis and translated up.
User Mchid
by
6.4k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.