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The point-slope form of a line is y - y1 = m (x - x1)
If the coordinates you are given are something like (3,5) and (9,10), find the slope "m" by taking the difference in y over the difference in x, so (10-5)/(9-3) = 5/6
Next, just plug in the values for one of the points
y - y1 = m (x - x1)
y - 5 = (5/6) (x - 3)
y - 5 = 5/6x - 5/2
y = 5/6x + 5/2
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(y2-y1)(x2-x1) you plug in the equation to this formula and thats ur answer!
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You can multiply both sides of an equation by a non-zero constant.
How do you know if numbers show linear relationship?
A linear equation looks like any other equation. It is made up of two expressions set equal to each other. A linear equation is special because: It has one or two variables. No variable in a linear equation is raised to a power greater than 1 or used as the denominator of a fraction. When you find pairs of values that make the linear equation true and plot those pairs on a coordinate grid, all of the points for any one equation lie on the same line. Linear equations graph as straight lines.
How does using the point slope form a linear equation make it easier to write the equation of a line?
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