We’re always considering distance when travel. We are looking for the shortest distance but we are restricted by roads or whatever form of transportation we choose to use. The shortest distance between any two point is, however, a straight line. Given two points we look at the formula for finding the shortest distance between two point, or the distance formula.
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The vector equation of a line is another form of interpreting a line but now with a different structure called a vector. Again, we will see a parameter in this form. A single parameter indicating that we are representing a linear relationship.
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