SOLUTION: What is the difference between parallel and coincide? example: 18=18
Algebra
->
Coordinate Systems and Linear Equations
-> SOLUTION: What is the difference between parallel and coincide? example: 18=18
Log On
Linear Solvers
Linear
Practice
Practice
Answers archive
Answers
Word Problems
Word
Lessons
Lessons
In depth
In
Click here to see ALL problems on Linear-systems
Question 5869
:
What is the difference between parallel and coincide?
example: 18=18
Answer by
longjonsilver(2297)
(
Show Source
):
You can
put this solution on YOUR website!
in terms of straight lines you mean?
y = x
y = x + 2
y = x + 34
y = x - 17
all these are parallel...same gradient (+1) but cross the y-axis and different places.
Now, y=x and 3y = 3x are the same equation...they are coincident. As are 2y = 3x - 6 and y = (3/2)x - 3.
Hope that helps?
jon.