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Published byHarry Bridges Modified over 8 years ago

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The point-slope form of a linear equation of a non- vertical line is given by: Point-Slope Form of a Linear Equation

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Example 1:Write the point-slope form equation of the line that contains the point (3, -5) and has slope Substitute values into the equation … Slope:

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Simplify: Point:

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Example 2:Write the slope-intercept equation of the line that contains the point (- 2, 5) and has slope First, substitute the given point and slope values into the point-slope equation. Simplify

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Next, put in slope-intercept form, Multiply each term by the common denominator …

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Simplify and solve for y

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Example 3:Write the slope-intercept equation of the line that contains the points (- 1, 8) and (4, - 2). First, find the slope of the line using the given points.

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Next, substitute either given point (let’s use (- 1, 8)) and the slope, - 2, into the point-slope equation. Last, simplify and write in slope-intercept form.

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