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Two lines or equations are described in each part. Decide whether each system has one solution, no solution, or infinitely many solutions. Show your work or explain your reasoning.

(a) Line a has a rate of change of 7. Line b has a rate of change of -7 .


b)These two graphed lines:



c) Line c and line d are parallel.\


And I got for

a) one solution 

b) One solution 

c) no solution 

 Nov 9, 2018

Yes, I believe you are completely correct!


You are very welcome!


 Nov 9, 2018

Every point on its graph will make the equation true. If there are 2 equations each with a graph then any point that is on both graphs will make both equations true.

 Nov 10, 2018

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