gary38
setermine with out graphing if this has one solution, no solution or infinite number of solutions explain why
x-y =3
3x + 3y = -3
Delete
Share
This Question is Closed
amistre64
Best Response
You've already chosen the best response.
0
they are the same line
amistre64
Best Response
You've already chosen the best response.
0
no they aint
amistre64
Best Response
You've already chosen the best response.
0
parallel at least :)
rim182946
Best Response
You've already chosen the best response.
0
take the 3 out of the 2nd equation
uzma
Best Response
You've already chosen the best response.
0
no differnent
rim182946
Best Response
You've already chosen the best response.
0
x + y = -1
amistre64
Best Response
You've already chosen the best response.
0
perp?
rim182946
Best Response
You've already chosen the best response.
0
negative reciprocal slopes so yes perpendicular
uzma
Best Response
You've already chosen the best response.
0
product of slopes is -1
uzma
Best Response
You've already chosen the best response.
0
so one solution exists
amistre64
Best Response
You've already chosen the best response.
0
i knew it :) kindof... maybe
AbdulRehman
Best Response
You've already chosen the best response.
0
intersect at only one point so only one solution exist. As these are straight lines so they cut only once.
rim182946
Best Response
You've already chosen the best response.
0
1. If the slopes are the same then:
A) if you can get one equation by multiplying the other equation by a constant, then they are the same line which means infinitely many solutions
B) if the left hand sides are the same and the right hand sides are different then the lines are parallel which means no solution
2. otherwise if the slopes are different then they will intersect at one point