1.1: Properties of Real Numbers

Question 1

of any number a is -a the sum of opposite is 0

Answer 1

opposite or additive inverse

Question 2

of any nonzero number a is 1/a the product of reciprocals is 1

Answer 2

reciprocal or multiplicative inverse

Question 3

the distance from zero on the number line

Answer 3

absolute value of a real number

Question 4

an expression that contains one or more variables

Answer 4

algebraic expression or variable expression

Question 5

a symbol usually a letter that represents one or more numbers

Answer 5

variable

Question 6

when you substitute numbers for the variables in an expression and follow the order of operations

Answer 6

evaluate

Question 7

is a number a variable or the product of a number and one or more variables

Answer 7

term

Question 8

the numerical factor in a term

Answer 8

coefficient

Question 9

a number that makes the equation true

Answer 9

solution of the equation

Question 10

a pair of inequalities joined by AND or OR

Answer 10

compound inequality