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# Algebra Vocabulary

### 1st semester algebra terms

numbers that are not fractions; they may be positive or negative integers
a number of a group of numbers written with operation signs expression
the number that tells how many times the base is used as a factor exponent
the numbers to the right of zero on the number line positive numbers
change revise
a graph made up of pieces of straight lines broken line graph
perform the operations; find the value- make smaller simplify
the product- when factors are the same power
the distance between 0 and a number on the number line absolute value
the numbers to the left of 0 on the number line negative numbers
numbers with the same absolute value on opposite sides of the number line opposites
a factor; the number used to tell the base how many times to multiply base
a statement tha 2 expressions are equal equation
parts of an expression separated by a + or - sign terms
rules that tell you which operations to do first order of operations
a number that multiplies a variable coefficient
replace a variable with a number or expression substitute
a letter that represents a number variable
numbers or quantities that do not change constant
terms that have the same variables with the same exponents like terms
the switching property- the order of 2 numbers can be switched and the answer or value will be the same commutative
regrouping property; two or moer numbers can be grouped together on one side of the equation, while the numbers can be regrouped on the other side of the equation without effecting the value associative
the sharing property; the number outside of the () must be shared (multiplied)with each number inside the() distributive
find the solution of an equation solve
a value of the variable that makes the equation true solution
the regular price minus the discount sale price
an equation containing a variable variable equation
the amount you save when you buy an item on sale discount
substitute the solution for the variable check
equations with the same solutions equilvalent equations
operations that undo each other inverse
adding, subtracting, multiplying, or dividing both sides of an equation by the same number properties of equality
a way to write an equation that is a function function notation
a dot that shows the location of an ordered pair graph of an ordered pair
a test you use on a graph to tell if the graph is a function vertical line test
a graph that uses bars to represent information coordinate axes
plane with two perpendicular number line coordinate plane
a group of ordered pairs in which none of the x's repeat (no two ordered pairs have the same first number) function
the point where the coordinate axes cross (0,0) orgin
Ax + By = C standard form
an equation whose graph is a straight line linear equation
(x value) the point where a line crosses the x axis x intercept
Y = mx + b slope intercept form
the change between 2 points on a line in the up and down directions rise
a measure of steepness in a straight line; the rise over the run slope
(y value) the point where the line crosses the y axis y intercept
the change between two points in the left to right direction run
Created by: thursh