Question

In which line did the student make the first mistake?
Line 3

Line 5

Line 1

Line 2


(I will be adding the pictures in a second)

Answer 1

can you explain so I know you are right?

Answer 2

@cwrw238 can you help?

Answer 3

what length is d supposed to be?

Answer 4

2,0?

Answer 5

that not a length that's a point
is it the length of the line AB?

Answer 6

2.83?

Answer 7

look like that one

Answer 8

Is the answer line 3?

Answer 9

if it is the line AB then sqrt8 is the correct answer
the line 2 is incorrect its should read 2 - 0 and 4-2

Answer 10

oh ok

Answer 11

its because of the values being 0 ,2 and 4 that the answer is correct