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Big Ideas Math: Modeling Real Life, Grade 7
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Big Ideas Math: Modeling Real Life, Grade 7 View details
5. Subtracting Rational Numbers
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Exercise 50 Page 36

Plot the points on a coordinate plane.

15.1

Practice makes perfect
To find the distance between the given points, we will start by plotting them on a coordinate plane.
plotting points

We can use the x-coordinates to find the distance because the y-coordinates are the same. Since the points are in different quadrants, we add the absolute values of the x-coordinates.

finding the distance
The distance between the points is | - 6.2|+| 8.9|. Let's simplify this expression!
|- 6.2 |+|8.9|
AbsNeg

|-6.2|=6.2

6.2+|8.9|
AbsPos

|8.9|=8.9

6.2+8.9
AddTerms

Add terms

15.1
The distance between the points is 15.1 units.
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