document.write( "Question 380306: Write an equation of the line that passes through (10,-4) and is perpendicular to the line whose equation is y = 2/5x - 8. \n" ); document.write( "

Algebra.Com's Answer #269886 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 is: 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 perpendicular to line y = 2/5x - 8, has slope = -(5/2) 
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document.write( "Equation of this line:
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document.write( "y = -(5/2)x + b  using ordered pair Pt(10,-4) to solve for b
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document.write( "-4 = -25 = b
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document.write( "21 = b  -25,25,-25,25,
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document.write( "y = -(5/2)x + 21
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