QuestionAugust 26, 2025

(d) irrational numbers -8.5 o (7)/(2) sqrt (2) 2.71 -pi 3.1overline (4) 100 -8

(d) irrational numbers -8.5 o (7)/(2) sqrt (2) 2.71 -pi 3.1overline (4) 100 -8
(d) irrational numbers
-8.5
o
(7)/(2)
sqrt (2)
2.71
-pi 
3.1overline (4)
100
-8

Solution
4.3(313 votes)

Answer

\sqrt{2}, -\pi Explanation 1. Identify irrational numbers An irrational number cannot be expressed as a simple fraction. It has non-repeating, non-terminating decimal expansion. 2. Analyze each option - -8.5: Rational (can be expressed as -\frac{17}{2}). - 0: Rational (can be expressed as \frac{0}{1}). - \frac{7}{2}: Rational (already in fraction form). - \sqrt{2}: Irrational (non-repeating, non-terminating decimal). - 2.71: Rational (terminating decimal). - -\pi: Irrational (non-repeating, non-terminating decimal). - 3.14: Rational (terminating decimal). - 100: Rational (can be expressed as \frac{100}{1}). - -8: Rational (can be expressed as -\frac{8}{1}).

Explanation

1. Identify irrational numbers<br /> An irrational number cannot be expressed as a simple fraction. It has non-repeating, non-terminating decimal expansion.<br />2. Analyze each option<br /> - $-8.5$: Rational (can be expressed as $-\frac{17}{2}$).<br /> - $0$: Rational (can be expressed as $\frac{0}{1}$).<br /> - $\frac{7}{2}$: Rational (already in fraction form).<br /> - $\sqrt{2}$: Irrational (non-repeating, non-terminating decimal).<br /> - $2.71$: Rational (terminating decimal).<br /> - $-\pi$: Irrational (non-repeating, non-terminating decimal).<br /> - $3.14$: Rational (terminating decimal).<br /> - $100$: Rational (can be expressed as $\frac{100}{1}$).<br /> - $-8$: Rational (can be expressed as $-\frac{8}{1}$).
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