2.5 Parallel and Perpendicular Lines


y=−(10/3)x−5
 
 
 
 

through: (4,−3), perpendicular to −x+2y =−6
 
 
 
 

3x+4y =−8
 
 
 
 

Find the slope of a line parallel to each given line.
y = 2x + 4
 
 
 
 

x=3
 
 
 
 

x− y =4
 
 
 
 

6x−5y =20
 
 
 
 

Write the point-slope form of the equation of the line described.
through: (5, 2), perpendicular to 5x+ y =−3
 
 
 
 

7x+ y =−2
 
 
 
 

y =4x−5