A
B
C
D
Explanation
Correct answer: A.
Choice A is correct. The solution to this system of linear equations is the point that lies on both lines graphed, or the point of intersection of the two lines. According to the graphs, the point of intersection occurs when and , or at the point .
Desmos solution:
Enter in Desmos:
Reviewed and rewritten by CookSAT
Why the other choices are wrong
Choice B
Choice B is incorrect. This point lies on one line, but not on both lines in the -plane.
Choice C
Choice C is incorrect. This point doesn't lie on either of the lines graphed in the -plane.
Choice D
Choice D is incorrect. This point lies on one line, but not on both lines in the -plane.