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chapter 1 vocab
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Terms in this set (33)
algebraic expression
sums and/or products of numbers and variables
variable
symbols used to represent unknown numbers or values
term
parts of an expression that are separated by addition or subtraction signs
factor
quantities that are being multiplied
product
The answer to a multiplication problem
Power
an expression of the form xnsquared
exponent
The number in a power that tells you how many times to multiply a number by itself
evaluate
to find the value of an expression
base
The number in a power that is being multiplied times itself a certain number of times
order of operations
The rules that tell you which operation should be performed first
like terms
contain the same variables, with corresponding variables have the same power
simplest form
when an expression contains no like terms or parentheses
Open sentence
A mathematical statement that contains algebraic expressions and symbols
equation
to mathematical expressions are equal to each other
set
A collection of objects or numbers that is often shown using braces
Element
each object or number within a set
Identity
and equation that is true for every value of the variable
coordinate system
formed by the intersection of two number lines, the horizontal axis and the vertical axis
X-axis
The horizontal number line in a coordinate plane
Y-axis
The vertical number line in a coordinates plane
Origin
the point where the horizontal and vertical number lines meet in a coordinate plane
ordered pair
A set of numbers, or coordinates, written in the form (x,y)
X-coordinate
represents the horizontal placement of a point
Y-coordinate
represents the vertical placement of a point
relation
A set of ordered pair set of ordered pairs
Domain
The X - values of a set of ordered pairs
range
The Y - values of a set of ordered pairs
independent variable
The value of the variable that determines the output
dependent variable
The variable with the value that depends on the independent variable
function
The relationship between input and output where there is exactly one output for each input
discrete function
A graph that consist of points that are not connected
continuous function
a graph that is connected with a line or smooth curve
non-linear function
has a variable term that has an exponent other than one in the graph is not a line
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