Vocab Words 1.1

Question 1

What is a real number?

Answer 1

Any number, including rational and irrational numbers

Question 2

What is a rational number?

Answer 2

A rational number is any number that can be written in the form of a over b (a/b). A and B are always integers and B never equals zero.

Question 3

What are some examples of rational numbers?

Answer 3

2/3, -5, 188, -42/7, 0, -2

Question 4

Can rational numbers repeat?

Answer 4

yes

Question 5

Can rational numbers end?

Answer 5

yes

Question 6

What is a irrational number?

Answer 6

An irrational number cannot be a ratio, and the decimal form is non-repeating and non-terminating.

Question 7

What are some examples of irrational numbers?

Answer 7

pi, -√(10)

Question 8

What does it mean when a number has closure?

Answer 8

under a given operation if the result of the operation on any two numbers
in the set is also in the set.

Question 9

An expression that contains the radical symbol

Answer 9

radical expression

Question 10

The number inside the radical symbol

Answer 10

radicand

Question 11

The number outside the radical symbol

Answer 11

index

Question 12

Adding two exponents

Answer 12

product of powers

Question 13

subtracting two exponents

Answer 13

quotient of powers

Question 14

distributing the exponent to both of the terms

Answer 14

power of a product

Question 15

distributing the exponent to both of the terms on a fraction

Answer 15

power of a quotient

Question 16

Multiplying two exponents

Answer 16

power of a power

Question 17

When the exponent is equal to the value of one

Answer 17

zero exponent

Question 18

flipping the term to its reciprocal

Answer 18

negative exponent

Question 19

exponents that can be expressed in the form of a rational number

Answer 19

Rational exponent

Question 20

The closeness of a measured value to the actual value

Answer 20

Accuracy

Question 21

The level of detail of a measurement, determined by the smallest unit or
fraction of a unit that can be reasonably measured

Answer 21

Precision

Question 22

What involves comparing a measurement to the actual value?

Answer 22

Accuracy

Question 23

What involves comparing repeated measurements to each other?

Answer 23

Precision

Question 24

A digit in a measurement that carries a meaning in terms of the
precision of the measurement

Answer 24

Significant Digit

Question 25

A mathematical phrase that combines numbers and/or variables using mathematical operations.

Answer 25

Expression

Question 26

The parts of an expression that are added

Answer 26

Terms

Question 27

The numerical factor in a variable term

Answer 27

Coefficient

Question 28

Variable terms whose variables and their exponents are the same

Answer 28

Like Terms

Question 29

Two expressions that have the same value for all values of the variable(s).

Answer 29

equivalent expressions

Question 30

A mathematical statement comparing two expressions using the symbol =.

Answer 30

equation

Question 31

A true statement when substituted for the variable in the equation.

Answer 31

Solution

Question 32

Solving an equation involves using properties of equality which all have the same solution as the original equation.

Answer 32

equivalent equations

Question 33

multiplying the number outside the parentheses by each term inside the parentheses.

Answer 33

Distributive Property

Question 34

Adding the same number to both sides of an equation produces an equivalent equation.

Answer 34

Addition Property of Equality

Question 35

Subtracting the same number from both sides of an equation produces an equivalent equation.

Answer 35

Subtraction Property of Equality

Question 36

Multiplying both sides of an equation by the same nonzero number produces an equivalent equation.

Answer 36

Multiplication Property of Equality

Question 37

Dividing both sides of an equation by the same nonzero number produces an equivalent equation.

Answer 37

Division Property of Equality