Chapter 1-6 Algebra Vocabulary | Finals

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1st semester finals vocab.

Last updated 3:22 PM on 12/17/22
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28 Terms

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dependent variable
the variable in a function whose value depends on the value of the independent variable
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scatter plot
two sets of data plotted as ordered pairs on a coordinate place
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term
a number, a variable, or a product or quotient of numbers or variables
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direct variation
an equation of the form y=kx, where k is not equal to zero
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function
a relation in which each element of the domain is paired with exactly one element of the range
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elimination
the use of addition or subtraction to eliminate a variable and solve a system of equations
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compound inequality
two or more inequalities that are connected by the words "and" or "or"
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linear equation
an equation whose graph is a straight line
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domain
the set of the first numbers of the ordered pairs in a relation
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half plane
the region of the graph of an inequality on one side of a boundary
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independent variable
the variable in a function whose value is subject to choice
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line of best fit
the line that most closely approximates the data in a scatter plot
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slope-intercept form
y=mx+b, where m is the slope and b is the y-intercept of the line
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proportion
when two ratios are equal
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rate
the ratio of two measurements having different units of measure (e.g. $20/hr.)
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system of equations
a set of equations with the same variables
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substitution
the use of algebraic methods to find an exact solution to a system of equations
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slope
the ratio of the change in y coordinates to the corresponding change in x coordinates
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correlation coefficient
a value that shows how close data points are to a line
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arithmetic sequence
the difference between successive terms of the sequence is constant
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constant
a monomial that is a real number
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range
the set of the second numbers of the ordered pairs in a relation
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coefficient
the numerical factor of a term
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standard form
an equation written in the form Ax+By=C
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formula
an equation that states a rule for the relationship between certain quantities
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like terms
contains the same variables, with corresponding variables having the same exponent
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point slope form
An equation of the form y-y1=m(x-x1), where m is the slope and (x1, y1) is a given point on a non-vertical line.
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system of inequalities
a set of two or more inequalities with the same variables