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algebra vocab

8th grade algebra vocab

radical symbol the symbol used to represent the non- negative square root of a number
slope a measure of the steepness of a line on a graph
coefficent the number that is multiplied by the variable in an algebraic expression
cubed root one of these equal factors(multiplication of a number. It is the side of a cube
function an input-output relationship that has exactly one output(y-value) for each input(x-value)
intercepts point where a line crosses the x-axis and y-axis
irrational number a number that can not be expressed as a ratio of two integers or as a repeating or terminating decimal
line of best fit a straight line that comes closest to the points on a scatter plot having an equal number of points above and below the line
linear equation an equation that makes a straight line when it's graphed
non-linear function a function (equation) whose graph is not a straight line
radical symbol the symbol used to represent the non-negative square root of a number
rational number a number that can be expressed as a ratio (fraction) of two integers
scatter plot a graph with points plotted to show a possible relationship between two sets of data
scientific notation a method of writing very large or very small numbers using powers of 10
slope intercept form a linear equation written in the form y=mx+b (m represents slope and b represent the y-intercept
square root one of two equal factors (multiplication of a number. It is the side of a square
domain the of x-values that give rise to real y-values
equations mathematical sentences built from expressions using one or more equal signs
evaluate to find the value of an expression
exponent indicates how many times the base is to be used as a factor
formula an expression used to calculate a desired result
line segment 2 points on a line (endpoints) and all the points between them on the line
order of operations pemdas
range the set of y-vaules of a function or relation
variable a symbol for an unknown number usually expressed as a letter
y-intercept a point at which a graph intersects the y-axis
Created by: user-1650584
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