Is the number 1 + 2 rational or irrational? Choices: (A)rational (B)irrational

Evaluate 1 + 2: Evaluate 1 + 2. Add 1 and 2 together. 1 + 2 = 3 Add 1 and 2: We found: 1 + 2 = 3 Identify whether 1 + 2 is a rational or irrational number. 3 is a whole number, and all whole numbers are rational numbers because they can be expressed as a fraction where the denominator is 1 (3/1). Therefore, 1 + 2 is a rational number.

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Is the number $1 + 2$ rational or irrational? $\newline$ Choices: $\newline$ (A) rational $\newline$ (B) irrational

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Math Problems

Algebra 1

Classify rational and irrational numbers

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Q. Is the number

1 + 2

rational or irrational?

\newline

Choices:

\newline

(A) rational

\newline

(B) irrational

Evaluate $1 + 2$ : Evaluate $1 + 2$ . Add $1$ and $2$ together. $1 + 2 = 3$
Add $1$ and $2$ : We found: $\newline$ $1 + 2 = 3$ $\newline$ Identify whether $1 + 2$ is a rational or irrational number. $\newline$ $3$ is a whole number, and all whole numbers are rational numbers because they can be expressed as a fraction where the denominator is $1$ ( $\frac{3}{1}$ ). $\newline$ Therefore, $1 + 2$ is a rational number.