Step by step
The question
Question: translate the shape A(−3, 2), B(−1, 2) and C(−1, 5) right 4, down 1.
1 Draw the shape
Put the points on the grid and join them.
2 Read the move
Right 4 means x gets 4 bigger: x + 4.
Down 1 means y gets 1 smaller: y − 1.
So every point (x, y) goes to (x + 4, y − 1).
3 Move each point
Start at A.
Go right 4.
Then go down 1.
We land on the new point.
We call the new point A prime.
The little mark means: the new A.
A is (−3, 2).
Right 4: −3 plus 4 is 1.
Down 1: 2 minus 1 is 1.
So A' is (1, 1).
Careful!
Down makes y smaller.
So we take 1 away.
We do not add it.
Now B: −1 plus 4 is 3.
2 minus 1 is 1.
So B' is (3, 1).
Now C: −1 plus 4 is 3.
5 minus 1 is 4.
So C' is (3, 4).
4 Draw the image
Join the new points.
This new shape is called the image.
So the image is A'(1, 1), B'(3, 1) and C'(3, 4).
5 Check
Let's check.
Draw an arrow from each point to its new point.
All the arrows are the same: the same length, the same way.
So the shape slid, without turning.
Right!
Let's look back.
First: draw the shape.
Then: read the move.
Then: move each point.
Then: draw the image.
Last: check.