Posted by **Vanessa** on Wednesday, August 14, 2013 at 1:51pm.

Check?

In your own words, explain why we use the formula AB = |a - b| to find the distance of a segment. Include why you need to subtract and why you need to take the absolute value.

We use that formula |a-b| because a and b are representing coodinate numbers you need to subtract because if you add it you'll get a higher answer which wouldn't be right. you use the absolute value so when you get your answer and you count the spaces you go to the right direction not the wrong

- Geometry MATH CHECK -
**Steve**, Wednesday, August 14, 2013 at 3:51pm
pretty good, but

subtraction produces the difference between two values. The length of the line is the distance from one end to the other, or the difference between their values.

we take |a-b| because the length of a line segment is always a positive value. The direction does not matter.

- Geometry MATH CHECK -
**Ms. Cruz**, Friday, August 22, 2014 at 3:13pm
Ask your teacher if you need help.

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