Aconstruction crew is digging a hole. on the first day, they dug a hole 3 feet deep. on the second day, they dug 2 more feet. on the third day, they dug 4 more feet. write a sum of negative numbers to represent this situation. find the total sum and explain how it is related to the question.

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step-by-step explanation:

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.