2-1 Adding Rational Numbers

Question 1

Identity Property of Addition

Answer 1

For every real number n,n +0 = n and 0 + n = n

Question 2

Additive Inverse

Answer 2

the opposite of a number it its additive Inverse.

Question 3

Inverse Property of Addition

Answer 3

For every real number n, there is an additive inverse -n such that n + (-n)=0

Question 4

Matrix

Answer 4

is a rectangular arrangement of number in rows and columns.

Question 5

Element

Answer 5

Each item is a matrix is an element.