Mathematics, 28.10.2019 23:31 zmeister
1. payton says that rational expressions are not closed under addition, subtraction, multiplication, or division. his
claim is shown below. is he correct for each case? justify your answers.
a. x / 2x + 1 +x + 1 / 2x + 1 = 1, and 1 is a whole number, not a rational expression.
b. 3x − 1 / 2x + 1 − 3x − 1 / 2x + 1 = 0, and 0 is a whole number, not a rational expression.
c. x − 1 / x + 1 ∙x + 1 / 1 = x − 1, and x − 1 is a whole number, not a rational expression.
d. x − 1 / x + 1÷1 / x + 1 = x − 1, and x − 1 is a whole number, not a rational expression.
Answers: 2
Mathematics, 21.06.2019 16:00, 4tazaouiamine1r
Whose conclusion is correct? choose all that apply. (two max) elijah emily edward esme
Answers: 2
1. payton says that rational expressions are not closed under addition, subtraction, multiplication,...
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