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Lesson Summary: In this lesson, you'll learn how what the slope of a line is and why it is important in algebra. You'll also learn how to calculate the slope of any line when given the coordinates of any two points on the line.
The slope is a very important concept in algebra because we can use the slope along with the y-intercept to write equations of lines. It turns out that lines can describe a great many physical things in nature, so by studying lines in algebra we are able to solve many real-world problems.
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