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# Math

### Finals

TermDefinition
Origin the ordered pair (0,0)
expression the mathematical phrase that contains one or more variables
reciprocal two numbers whose product is one
integers whole numbers and their opposites
rational a number that can be expressed as a ratio
coefficient the number of a part term
constant a term that can be expressed as a ratio
whole numbers natural numbers and zero
equation sets two expressions equal
base in the expression 4^5, the 4
set a collection of objects
variable a letter that that represents a number
absolute value the distance from zero
like terms terms that differ only by their coefficients
complement all the members of the universal set that are not members of a given set
counter example an example that shows a statement is false
evaluate substitute a value for each variable and perform the operations.
distribute the property that says 4(x+2) =4x+8
opposites two numbers that sum to zero
exponents tells the number of times the base is used as a factor
unit rate a rate whose denominator is one
cross products in a proportion, these are equal
ratio a comparison of two equalities with the same units
dimensional analysis a process to do conversions, using the units as a help
percent change the ratio of the difference between an original and new amount and the original amount expressed as a percent
conversion factor the number one expressed as a ratio of two equivalent measurements in different units
proportion an equation that sets two rates/ratios equal
solution a value that makes an equation true
percent error ratio of the error in a measurement to the actual measurement expressed as a percent
percent per 100
scale a ratio that tells how the distances on a drawing and the actual distances are related
identity an equation that is true for all values of the variable
rate comparison of two quantities with different units
slope the ratio of rise and run
x coordinate the value that tells you how far from the origin a point is on the horizontal, or x-axis
discreet data data you can count
linear function a function that has a constant difference in the dependent variable
slope intercept the form of a line that is used y=mx+b
domain the input values of a mathematical relation
relation a _____ maps the domain elements to the rage elements
dependent the variable graphed on the vertical axis, output
discreet data a function in the form of y=mx+b
point slope the form of a linear equation that shows the slope of the line and one point on the line.
continuous data numbers between any two data points have meaning
range the output values of a mathematical relation
y intercept In coordinate geometry, using the common convention that the horizontal axis represents a variable x and the vertical axis represents a variable y, a y-intercept is a point where the graph of a function or relation intersects with the y-axis of the coordi
function notation f(x), the formal way of writing y
y coordinate the value that tells you how far from the origin a point is on the vertical, or y-axis
function a relation that maps each domain element or input to exactly one range element of output
vertical line test a way to tell if the graph of a relation is a function
independent the variable graphed on the horizontal axis, output
point slope the value of x when y=kx
Created by: jorge.meraz9