Chapter 1 Vocab

The process of using facts, properties, or rules to justify reasoning or reach valid conclusions is called ___________.

______________ are statements that are true for any number.

A(n) _________________ is a letter or symbol used to represent an unknown value

Choosing a variable and a quantity for the variable to represent in an equation is called _________.

To __________ is to write an expression in a simpler form.

The vertical number line in a coordinate system is called the _______.

A(n) __________ contains variables, numbers, and at least one operation.

A ____________ is an example that shows that a conjecture is not true.

An ___________ is used to locate any point on a coordinate plane.

The _________ of a relation is the set of all x-coordinates from each pair.

A(n) _________________ is a mathematical sentence stating that two quantities are equal

The ________ of a relation is the set of all y-coordinates from each ordered pair.

The____ states that the way in which numbers are grouped when they are added/multiplied does not change the sum/product.

_______________ is a branch of mathematics that uses symbols.

__________ contain a combination of numbers and operations, such as addition, subtraction, multiplication, and division

A set of ordered pairs is called a _____________.

A ___________ is when a dot is used at the point that corresponds to an ordered pair on a coordinate plane.

The horizontal number line in a coordinate system is called the _______.

Finding the numerical value of an expression is called________________.

In an ordered pair, the ________________ is listed first.

The ________ is the point at which the number lines intersect in a coordinate system.

The number 3 in the ordered pair (2, 3), is the ______________________

A _____________ is form by the intersection of two number lines that meet at right angles at their zero points.

By the ____________ , a ⋅ b = b ⋅ a.