A construction crew needs to build a road that will be 20 miles long. The crew already completed a stretch that is 6.44 miles lo
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A suitable calculator can row-reduce the augmented matrix.
first number: 3
second number: 1
third number: 8
first number: 3
second number: 1
third number: 8
In order to figure this out you need to use Descartes Rule. I attached a picture showing Descartes Rule. If the signs changes for when x is positive then the number of times it changes are the possible positive solution. If the sign changes when x is negative then the number of times it changes are the possible negative solutions. With that said the answer is A. View the picture I have attached for the possible + - and imaginary solutions.
Answer = A) One possible positive solution.
Answer = A) One possible positive solution.