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Vikentia [17]
3 years ago
7

How many solutions does the system of equations below have?

Mathematics
2 answers:
BaLLatris [955]3 years ago
6 0

Answer:

C:  none

Step-by-step explanation:

Here we have two separate functions named 'y.'  Eliminate 'y' temporarily by equating these functions together:

x + 2 = y = x - 1

Subtracting x from both sides, we get:

0 + 2 = y = 0 - 1, or

       2 = -1

This is never true, so C is the correct answer:  NO solutions.

An easier way in which to do this problem is to visualize the graphs of

y = x + 2 and y = x - 1.  The graphs are parallel straight lines; they never intersect, and therefore we can conclude "no solution."

galben [10]3 years ago
4 0

Answer:

C

Step-by-step explanation:

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