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Learn how to write the equation of a best fit line using two points

👉 Learn how to write the equation of a line given points, slopes, and intercepts. We will work on writing the equation of a ...
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Write the equation of a line through a point perpendicular to another equation

👉 Learn how to write the equation of a line that is perpendicular to a given line. The equation of a line is such that its ...
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Equation of medians and parallel lines

Remember that to find the equation of a straight line you need to know its gradient and a point on the line. In some instances you are told the value of the gradient, however there are times where you ...
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Parallel and perpendicular lines

The graphs above, \(y = 2x + 1\) and \(y = 2x - 2\) have the same gradient of 2. The lines are parallel. State the equation of a line that is parallel to \(y = 3x + 7\). To be parallel, two lines must ...