Chapter 2 Vocabulary

Question 0

The numbers……. -3,-2,-1,0,1,2,3…….

Answer 0

Integers

Question 1

The numbers 0,1,2,3,4,5……

Answer 1

Whole numbers

Question 2

A number that can be written as a/b where a and b are integers and b is not equal to 0

Answer 2

Rational number

Question 3

Two numbers that are he same distance from zero on a number line but are on opposite sides of zero

Answer 3

Opposite

Question 4

The absolute value of a number a is the distance between a and 0 on a number line. The symbol |a| represents the absolute value of a

Answer 4

Absolute value

Question 5

A statement with a hypothesis and a conclusion

Answer 5

Conditional statement

Question 6

The number 0 is the additive identity, because he sum of any number and zero is the number a+0=0+a=a

Answer 6

Additive identity

Question 7

The additive inverse of a number a is its opposite, -a. The sum of a number and it’s additive inverse is 0

Answer 7

Additive inverse

Question 8

The number 1 is the multiplicative identity, because the product of any number and 1 is the number

Answer 8

Multiplicative identity

Question 9

Two expressions that have the same value for all values of the variable

Answer 9

Equivalent expressions

Question 10

A property that can be used to find the product of a number and a Sumer a difference

Answer 10

Distributive property

Question 11

The parts of an expression that are added together

Answer 11

Term

Question 12

The number part of a term with a variable

Answer 12

Coefficient

Question 13

A term with a number part but no variable part

Answer 13

Constant

Question 14

Terms that have the same variable parts. Constant terms are also like terms.

Answer 14

Like terms

Question 15

The multiplicative inverse of a nonzero number a is its reciprocal, 1/a. The product of a nonzero number and it multiplicative inverse is 1. Ax1/a=1/axA=1, a does not equal 0

Answer 15

Multiplicative inverse

Question 16

If b^2=a then b is the b is the square root of a. The radical symbol represents a nonnegative square root.

Answer 16

Square root

Question 17

The number or expression inside a radical symbol

Answer 17

Radicand

Question 18

A number that is a square of an integer

Answer 18

Perfect square

Question 19

A number that cannot be written as the quotient of two integers. The decimal form of an irrational number neither terminates nor repeats

Answer 19

Irrational numbers

Question 20

The set if all rational and irrational numbers

Answer 20

Real numbers