SOLUTION: Hello, can you please help me with this question? It has two parts (a and b). Thank you in advance for any help you can offer! a) Solve by graphing: y= x+4 y= -2x+1 b) Tel

Question 276136: Hello, can you please help me with this question? It has two parts (a and b). Thank you in advance for any help you can offer!
a) Solve by graphing:
y= x+4
y= -2x+1
b) Tell what you can about the solution.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

is the red line

is the green line

A graph of a straight line is an infinite number of ordered pairs such that the coordinates of each ordered pair satisfies the equation. When, as in this case, two lines intersect in a single point, that single point has the characteristic that its coordinates satisfy BOTH equations simultaneously. Therefore, that single point is the single element in the solution set of the SYSTEM of equations.

John

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