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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 46 Page 36

Plot the points on a coordinate plane.

11.3

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

finding the distance
The distance between the points is | 7.8|+| - 3.5|. Let's simplify this expression!
|7.8 |+|- 3.5|
AbsPos

|7.8|=7.8

7.8 +|- 3.5|
AbsNeg

|-3.5|=3.5

7.8+3.5
AddTerms

Add terms

11.3
The distance between the points is 11.3 units.
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