# How To: Find the equation of a line easily

This is the video about how to Find the equation of a line. The equation of a line with a defined slope m can also be written as follows: y = mx + b where m is the slope of the line and b is the y intercept of the graph of the line. The above form is called the slope intercept form of a line. Step1 Set m to a fixed value (m = 1) and change b (b = 1, 2, 3, 4, -1, -2, -3, -4). Compare each value of b to the y-intercept of the line obtained. Step2 Set b to a fixed value (b = 1) and change m (m = 1, 2, 3, 4, -1, -2, -3, -4). For each value of m, find two points on the line obtained and use them to calculate the slope of the line. Compare the slope of the line with m. Step 3 Change m and and explore further. Step 4 Set m = 0 and describe the line obtained. That's it.

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