Question

2 State the properties in each of the following.
(a) x + y = y + x
(b) Z+0 = z
(c) p + (q + r) = (p + 9) +r
(d) (x + y) + z = x + (y +z)​

Answer 1

Answer:

a) commutative property of addition

b) additive identity

c) associative property of addition

d) associative property of addition

Step-by-step explanation:

a) commutative property states that a + b = b + a (1 + 2 = 2 + 1 = 3)

b) additive identity states that a + 0 = a (3 + 0 = 3)

c and d) associative property of addition states that a + (b + c) = (a + b) + c

or (2 + 1) + 3 = 2 + (1 + 3) = 6

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Answer 2

Answer:

Step-by-step explanation:

commutative property of addition

b) additive identity

c) associative property of addition

d) associative property of addition