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Terms
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- order pair
- a pair of numbers used to locate a point in a coordinate system
- x-axis
- the vertical number line which helps to form the coordinate system
- evaluate
- an expression, you can find its numerical value
- y-coordinate
- the second number of an ordered pair
- y-axis
- the horziontal number line which helps to form the coordinate system
- algebraic expression
- a combinatio at variable, numbers, and at least one operation
- expression
- is any combination of numbers and operations such as addition, subtration, multiplication, and divison
- terms
- a number, a variable, or a product of numbers and a variables
- origin
- the point of intersection of the x-axis and y-axis in a coordinate system
- equation
- a mathematical sentence that contains the equal sign, =
- inverse operation
- operations that undo each other, such as addition and subtraction
- variable
- a placeholder in a mathematical expression or sentence
- coordinate system
- a coordinate plane separated into four regions by tow perpendicular number lines called axes
- order of operations
- simplify the expressions inside groupiing symbols. evaluate all powers. then do all multiplications and divisons form left to right. then do all additions and subtractions form left to right.
- like terms
- expressions that cotains the same variables, such as 3ab and 7ab.
- x-coordinate
- the first number of an order pair
- inequality
- a mathematical sentence that contains <,>,=
- solution
- a value for the variable that makes an equation true
- simplest form
- an expression in simplest form and no parentheses
- distributive property
- the sum of two addends multiplied by a number is the sum of the product of each addend and the number