Question

The number -3 can be classified as which of the following?

OA) an integer
OB) a rational number
OC) a real number
OD) all of the above

Answer 1

-3 is an integer, rational number and real number , so correct option id D) that is all of the above.

Step-by-step explanation:

Integer is all natural number that a 1 , 2 , 3 , 4 ……. And zero and negative of natural numbers like -1 , -2 , -3 , - 4 ……. So -3 is an integer.

Rational number is the number which can be represented in the form of p/q where p and q are integers and q ≠ 0 . As -3 can be represented as (-3)/1 . hence -3 is also a rational number.

Real number is all number which can be represented on number line. All integers and rational numbers are real numbers . so -3 is also a real number.

Hence as -3 is an integer, rational number and real number , so correct option id D) that is all of the above.