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# Algebra Vocab

### Algebra equations

TermDefinition
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.
coefficient The number that is multiplied by the variable in an algebraic expression.
cubed root One of the three 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 Points 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 terminal 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 is graphed.
non-linear function A function (equation) whose graph is not a straight line.
outlier A value much greater or much less than the others in a set of data.
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 represents the y-intercept).
square root One of the two equal factors (multiplication) of a number. It is the side of a square.
Domain The set 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.
order of operations PEMDAS (parentheses, exponents, multiply/divide, add/subtract)
range The set of y-values of a function or relation
slope A measure of the steepness of a line on a graph
variable A symbol for an unknown number usually expressed as a letter
y-intercept A point which a graph intersects the y-axis
Created by: user-1650580
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