Question

A.Is -1 -1 = -1?----------B. Is -1*-1*-1 = -1----------C. What is the

square root of 1?----------D. What is the cubed root of 1?
Which of the following statements is true?
A. -1 is a perfect square.
B. -1 is a perfect cube.
C. √(-1) is irrational.
D. 1 is irrational,

Answer 1

In this answer, we explain the arithmetic operations involving negative numbers and the concept of perfect squares and cubes.

Step-by-step explanation:

A. Is -1 -1 = -1?

Yes, -1 -1 = -1. When two negative numbers are subtracted, the answer will have a negative sign. So, -1 - 1 = -2.

B. Is -1*-1*-1 = -1?

No, -1*-1*-1 = -1. When three negative numbers are multiplied, the answer will also have a negative sign. So, -1*-1*-1= -1.

C. What is the square root of 1?

The square root of 1 is 1 because 1 multiplied by itself equals 1. So, √1 = 1.

D. What is the cubed root of 1?

The cubed root of 1 is 1 because 1 raised to the power of 1/3 equals 1. So, 1^(1/3) = 1.

Based on the statements given, the correct statement is:

B. -1 is a perfect cube.