Checking and securing understanding of finding the equation of the line from coordinates
Lesson 13 / 13
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Lesson outcome
I can find the equation of the line from two coordinate pairs as well as from the gradient and one coordinate pair.
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The gradient can be found from two points by considering the change in y over the change in x
The y-intercept can be found using the gradient and one of the points.
By substituting the gradient and one coordinate pair into the general equation, you can find the y-intercept.
The y-intercept occurs when the x value is zero.
It is useful to check using the second point while understanding the limitations of this check.
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