222k views
1 vote
Write an equation for the following transformation of y=x: a vertical stretch by a factor of 2.

1 Answer

2 votes

Answer: y = 2x

We simply multiply the x by 2 to get 2x on the right hand side. This will vertically stretch the parent function y = x by a factor of 2. Each point on y = x will get twice as tall as before. For instance, the point (7,7) moves to (7,14) which is twice as tall as before.

User Victor Bogdan
by
8.1k points

No related questions found