A
B
C
D
Explanation
Correct answer: A.
Choice A is correct. The solution to this system of linear equations is represented by the point that lies on both lines shown, or the point of intersection of the two lines. According to the graph, the point of intersection occurs when and , or at the point . Therefore, the solution to the system is .
Desmos solution:
Note: The solution is the point where the two lines intersect, shown at (4, -5) on the graph.
Enter in Desmos:
Reviewed and rewritten by CookSAT
Why the other choices are wrong
Choice B
Choice B is incorrect and may result from conceptual or calculation errors.
Choice C
Choice C is incorrect and may result from conceptual or calculation errors.
Choice D
Choice D is incorrect and may result from conceptual or calculation errors.