Q. Is −1 an irrational number?Choices:(A) yes(B) no
Define irrational number: Step 1: Define an irrational number. An irrational number cannot be expressed as a simple fraction, where both numerator and denominator are integers and the denominator is not 0.
Express −1 as fraction: Step 2: Express −1 as a fraction.−1 can be written as −11, where −1 is the numerator and 1 is the denominator.
Check if −11 is irrational: Step 3: Check if −11 fits the definition of an irrational number.Since −11 is a fraction with integer numerator and denominator, and the denominator is not zero, −1 is not an irrational number.