Triangle END is translated using the rule (x,y) → (x-4, y-1) to create triangle E'N'D'. If a line segment is drawn from point E to point E' and from point N to point N', which statement would best describe the line segments drawn?

Question

anonymous · Answer

A. They are parallel and congruent.

B. They are perpendicular to each other.

C. They share the same midpoints.

D. They create diameters of concentric circles.

imer · Answer

|dw:1403623880263:dw|What you think?

imer · Answer

It's same as saying, if a triangle is moved to left with rule (x-4, y). |dw:1403624191888:dw|

imer · Answer

and if you move the triangle a bit downward, those two line will also move down and will stay _____________________. Fill the blank :)

anonymous · Answer

Is it B?

imer · Answer

|dw:1403624694903:dw|

anonymous · Answer

So it is?

imer · Answer

Do you still think its "B"?

imer · Answer

Just look at the segment lines EE' and NN' and compare with the information in last image I uploaded.

anonymous · Answer

A

imer · Answer

Correct :) and do you know what congruent means?

anonymous · Answer

Yes I do