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8th gr. Alg 1 Voc.

TermDefinition
evaluate to find the value of an expression
proportion equation of equivalent ratios
integer whole numbers and their opposites
absolute value distance between zero and a number on a number line
coefficient the number part in a variable term
variable letter used to represent a number
coordinate plane formed by the intersection of two number lines
ordered pair a set of numbers or coordinates written as (x,y)
x-axis the horizontal axis on a coordinate plane
y-axis the vertical axis on a coordinate plane
origin the point where the x-axis and y-axis intersect (0,0)
relation a set of ordered pairs
domain the set of all inputs
range the set of all outputs
function each input has only one output
function notation a way to name a function that is defined by an equation replace "y" with "f(x)"
linear equation equation whose graph is a line
slope the constant rate of change between points on a line
slope formula m=y2-y1/x2-x1
slope-intercept formula y=mx+b
standard form Ax+By=C
input a value substituted for an x-value in a function
output the result of substituting a value into a function
Created by: dwoodward
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