SOLUTION: Write the point-slope form of the equation of the line described. through: (- 5 , - 1 ), parallel to y =2/5x + 3

Algebra ->  Linear-equations -> SOLUTION: Write the point-slope form of the equation of the line described. through: (- 5 , - 1 ), parallel to y =2/5x + 3      Log On


   



Question 981303: Write the point-slope form of the equation of the line described.
through: (- 5 , - 1 ), parallel to y =2/5x + 3

Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
y =2/5x + 3
Gradient = 2/5
Lines that are parallel
have the same gradient.
Therefore using line equation
y - b = m(x - a)
with m = 2/5 and (-5,-1)
y - (-1) = 2/5(x - (-5))
y + 1 = 2/5(x + 5))
y + 1 = 2/5x + 2
y = 2/5x + 2 - 1
y = 2/5x + 1
Hope this helps:-)