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Precalc0011to0016-page27

# Precalc0011to0016-page27 - x a y b = 1 where the line has a...

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(Section 0.14: Lines) 0.14.6 PART E: FORMS FOR THE EQUATION OF A LINE The following forms are used to write the equation of a line in the xy -plane. General Form Ax + By = C , where A and B are not both 0 Point-Slope Form y ± y 1 = mx ± x 1 () , where m is defined • This is derived from the idea that m = ± y ± x . Slope-Intercept Form y = mx + b , where m is defined Two-Intercept Form
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Unformatted text preview: x a + y b = 1 , where the line has a unique x-intercept a , or a , 0 ( ) , and a unique y-intercept b , or 0, b ( ) , and neither a nor b is 0. For example, the Two-Intercept Form of the equation of the line below is: x ± 2 + y 4 = 1 . Observe that ± 2,0 ( ) and 0,4 ( ) satisfy this equation....
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