Translation of Points in Geometry

The video tutorial explains the translation of triangle ABC using a specific notation. It details how each point of the triangle is moved in the x and y directions, focusing on the vertices for clarity. The process involves increasing the x-coordinate by eight and decreasing the y-coordinate by one for each point. The tutorial demonstrates this translation for points B, C, and A, ensuring the viewer understands the changes in coordinates and the resulting new positions of the points.

What notation is used to represent translation in the video?

• Lowercase r

• Capital R

• Lowercase t

• Capital T

How much does each point move in the x direction during the translation?

• Negative 8

• Positive 8

• Positive 5

• Negative 5

What happens to the y coordinate of each point during the translation?

• Increases by 2

• Increases by 1

• Decreases by 1

• Decreases by 2

What is the new x coordinate of point B after translation?

• Negative 8

• Positive 8

• Negative 4

• Positive 4

What is the new y coordinate of point B after translation?

• 9

• 6

• 8

• 7

What is the new x coordinate of point C after translation?

• Negative 1

• Positive 1

• Positive 7

• Negative 7

What is the new y coordinate of point C after translation?

• Negative 1

• 0

• 1

• 2

What is the new x coordinate of point A after translation?

• Positive 7

• Negative 7

• Positive 1

• Negative 1

What is the new y coordinate of point A after translation?

• 2

• 0

• 3

• 1

What is the final step after translating all points?

• Rotate the triangle

• Translate again

• Check the answer

• Scale the triangle