SOLUTION: Write an equation of the line that passes through (10,-4) and is perpendicular to the line whose equation is y = 2/5x

SOLUTION: Write an equation of the line that passes through (10,-4) and is perpendicular to the line whose equation is y = 2/5x - 8.

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.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi,

Note:the standard slope-intercept form for an equation of a line is: y = mx + b  

where m is the slope and b the y-intercept.  

Line perpendicular to line y = 2/5x - 8, has slope = -(5/2) 

Equation of this line:

y = -(5/2)x + b  using ordered pair Pt(10,-4) to solve for b

-4 = -25 = b

21 = b  -25,25,-25,25,

y = -(5/2)x + 21



 

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