document.write( "Question 389269: Write the equation of a line that is perpendicular to the given line and that passes through the given point.\r
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Algebra.Com's Answer #275803 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi, 
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document.write( "Note: the standard slope-intercept form for an equation of a line y = mx + b 
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document.write( " where m is the slope and b the y-intercept.         
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document.write( "line that is perpendicular to –4x – 8y = 24  OR y = (-1/2)x - 3    m = -1/2
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document.write( "Perpendicular lines have slopes that are negative reciprocals of one another
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document.write( "NEW line has slope m = 2
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document.write( " y = 2x + b   Using ordered pair (4,-1) to solve for b
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document.write( " -1 = 8 + b    b = -9
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document.write( " y = 2x - 9
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