1. Work out the gradient 2.Substitute the gradient into the equation 3.Substitute y and x depending on a point in the line that you know 4.Rearrange the equation to find c(the y-intercept) 5. Write out the equation with numbers for m and c
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How do you find the midpoint for line segments?
add the x coordinates together of the two end points of the line/2 and add the y coordinates together of the two end points of the line/2. This gives you the x and y coordinates for the midpoint
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How do you find the length of line segments?
Find the change in x at the two end points of the line and the change in y at the two end points of the line. Then just use pythagoras theorem to find the line length.
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