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Finding Linear Expressions

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Describe the procedure for finding the equation of a line, given two points on the line and give an example of linear relationship in daily life

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Solution Summary

This solutions describes how to write a linear equation given two points on the line. Real life examples of linear relationships.

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Finding a linear equation, given two points.

Point A (x1, y1)
Point B (x2, y2)

Some things to remember when finding the equation of a line given two points on the line are:

Equation of a line: y = mx + b, where m is the slope of the line and b is the y-intercept

Slope of a line (m): (x2 - x1)/(y2 - y1)

Step 1: Fine the slope ...

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