Is–1arationalnumber? Choices: (A)yes (B)no

Define rational number: Step 1: Define a rational number. A rational number can be expressed as a fraction where both the numerator and the denominator are integers, and the denominator is not zero.Express -1 as fraction: Step 2: Express -1 as a fraction. -1 can be written as -1/1, where -1 is the numerator and 1 is the denominator.Check integer values: Step 3: Check if both numerator and denominator are integers. In the fraction -1/1, both -1 and 1 are integers, and the denominator is not zero.Conclude -1 is rational: Step 4: Conclude if -1 is a rational number. Since -1 can be expressed as a fraction with integer values in both the numerator and denominator, it is a rational number.

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Is $-1$ a rational number? $\newline$ Choices: $\newline$ (A) yes $\newline$ (B) no

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Math Problems

Grade 8

Identify rational and irrational numbers

Full solution

Q. Is

-1

a rational number?

\newline

Choices:

\newline

(A) yes

\newline

(B) no

Define rational number: Step $1$ : Define a rational number. $\newline$ A rational number can be expressed as a fraction where both the numerator and the denominator are integers, and the denominator is not zero.
Express $-1$ as fraction: Step $2$ : Express $-1$ as a fraction. $-1$ can be written as $-\frac{1}{1}$ , where $-1$ is the numerator and $1$ is the denominator.
Check integer values: Step $3$ : Check if both numerator and denominator are integers. $\newline$ In the fraction $-\frac{1}{1}$ , both $-1$ and $1$ are integers, and the denominator is not zero.
Conclude $-1$ is rational: Step $4$ : Conclude if $-1$ is a rational number. $\newline$ Since $-1$ can be expressed as a fraction with integer values in both the numerator and denominator, it is a rational number.