How do we graph these?
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The distance between two points is the number of units between them.
<u>Halfway points (a) and (b)</u>
To locate a point halfway points (a) and (b), we use the following steps
- Calculate the absolute difference between both points
- Divide the absolute difference by 2
- Add the quotient to the smaller point.
Assume the smaller value is (a), the point (P) halfway points (a) and (b) would be
Take for instance, a = 5, and b = 10.
The halfway point would be:
The halfway point between 5 and 10 is 7.5
The formula works for negative values, and absolute values are used to return the actual difference between both points
<u>Real world circumstance</u>
The formula can be used to calculate the halfway distance between a school gate and the school library (as an instance)
<u>Fractional distance</u>
To determine the fractional distance, we simply replace the 1/2 in the original formula with the appropriate fraction.
Take for instance, three-fourths from (a) to (b) would be:
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