Calculate the distance between (3 + i) and (3 − i).

2 units

Question:

Calculate the distance between (3 + i) and (3 − i).

Step-by-step explanation:

This problem is equivalent to the problem:

"Calculate the distance between the points (3,1) and (3,-1)."

Since the -coordinates are the same, this is a vertical distance.

A vertical distance be be found by computing the positive difference of the -coordinates. In other words, we need only the find the distance between the numbers and on a number line.

This distance is 1-(-1)=1+1=2 units.

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step-by-step explanation:

the x's and the y's both go up the same amount each time, therefore it will be a linear function because it will go in a straight line when drawn on a graph.

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