Vocab Review #2

Question 1

domain

Answer 1

set of all input or x-values

Question 2

range

Answer 2

set of all output or y-values

Question 3

function

Answer 3

a mapping where every x-value maps to exactly one y-value

Question 4

additive identity

Answer 4

a + 0 = a

Question 5

multiplicative identity

Answer 5

a(1) = a

Question 6

additive inverse

Answer 6

a + (-a) = 0

Question 7

multiplicative inverse

Answer 7

a(1/a) = 1

Question 8

commutative property

Answer 8

the order in which terms are added does not change the sum or product

Question 9

associative property

Answer 9

the way the terms are grouped does not change the sum or product

Question 10

mapping

Answer 10

a diagram that shows how each element of the domain is paired with an element in the range