jatti
21.07.2019 •
Mathematics
Quadratic word problem: a number minus 8 times its reciprocal equals 2. what is the number? (there may be more than one answer)
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Ответ:
so we have x-8/x =2.by multiply x on both sides to no x in the denominator.
so, x^2-2x-8=0 by factoring we have (x-4)*(x+2)
either x=4 or x= -2 by substituting x=4 is the number.
the answer is 4.
hope that answers your question.
Ответ:
oh gosh ummm ask an adult bc ive never.did that what grd are u in