Question

3.
For any integer a, what is
(-1) × a equal to?​

Answer 1

The value of (-1) × a is is -a.

Step-by-step explanation:

Given:

The variable a is an integer.

Solution:

On multiplying an integer by -1 the result is the negative of that integer.

For example,

(1) Suppose a = 2.

Then the value of (-1) × a is:

(-1) × a = (-1) × 2

          = -2

(2) Suppose a = -4.

Then the value of (-1) × a is:

(-1) × a = (-1) × -4

          = 4

Thus, the value of (-1) × a is is -a.