SOLUTION: Determine whether the lines are parallel, perpendicular, or neither. 3x - 8y =17 64x + 12y = 14

Algebra ->  Graphs -> SOLUTION: Determine whether the lines are parallel, perpendicular, or neither. 3x - 8y =17 64x + 12y = 14      Log On


   



Question 33998This question is from textbook Prealgebra & Introductory Algebra
: Determine whether the lines are parallel, perpendicular, or neither.

3x - 8y =17
64x + 12y = 14
This question is from textbook Prealgebra & Introductory Algebra

Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
3x - 8y = 17
- 8y = -3x + 17
y = (3/8)x - 17/8

64x + 12y = 14
12y = -64x + 14
y = -(64/12)x + 14/12
y = -(16/3)x + 14/12

Both equations have different gradients, so not parallel.
(3/8)*(-16/3) is not equal to -1 so lines are not perpendicular either.

jon.