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Math Words for High School

High school vocabulary from algebra, geometry, trigonometry and precalculus.

77 cardsGrades 9–12#vocabulary#high school

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77 cards
  • DomainWord
    The set of all possible inputs of a function
  • Range (of a function)Word
    The set of all possible outputs of a function
  • RelationWord
    A set of ordered pairs
  • Inverse functionWord
    A function that undoes another functionf⁻¹(x)
  • Composition of functionsWord
    Using the output of one function as the input of anotherf(g(x))
  • PolynomialWord
    A sum of terms, each a number times a variable to a whole-number power
  • Degree (of a polynomial)Word
    The highest exponent of the variable
  • Leading coefficientWord
    The coefficient of the term with the highest power
  • MonomialWord
    A polynomial with one term
  • BinomialWord
    A polynomial with two terms
  • TrinomialWord
    A polynomial with three terms
  • Root (zero)Word
    An input that makes a function equal zero
  • QuadraticWord
    A polynomial of degree 2ax² + bx + c
  • ParabolaWord
    The U-shaped graph of a quadratic function
  • Vertex (of a parabola)Word
    The highest or lowest point of the parabola
  • Axis of symmetryWord
    The line that splits a parabola into mirror halves
  • DiscriminantWord
    b² − 4ac; tells how many real roots a quadratic has
  • Imaginary unit (i)Word
    The number whose square is −1
  • Complex numberWord
    A number of the form a + bi
  • ConjugateWord
    The binomial with the opposite sign in the middlea + bi and a − bi
  • AsymptoteWord
    A line that a graph gets closer and closer to
  • Exponential functionWord
    A function where the variable is in the exponenty = 2^x
  • LogarithmWord
    The exponent you need on a base to get a number
  • Natural logarithmWord
    A logarithm with base e, written ln
  • Euler's number (e)Word
    An irrational constant, about 2.71828
  • SequenceWord
    A list of numbers in order
  • Arithmetic sequenceWord
    A sequence with a constant difference between terms
  • Geometric sequenceWord
    A sequence with a constant ratio between terms
  • SeriesWord
    The sum of the terms of a sequence
  • Sigma (Σ)Word
    The symbol meaning add up a list of terms
  • MatrixWord
    A rectangular array of numbers in rows and columns
  • System of equationsWord
    Two or more equations with the same variables
  • Linear programmingWord
    Finding the best value of a quantity under linear limits
  • TheoremWord
    A statement that has been proven
  • Postulate (axiom)Word
    A statement accepted as true without proof
  • ProofWord
    A logical argument that shows a statement is true
  • ConjectureWord
    A guess based on a pattern that has not been proven
  • CounterexampleWord
    An example that shows a statement is false
  • ConverseWord
    A conditional statement with its parts swappedIf Q, then P
  • ContrapositiveWord
    The converse of the inverse; it always has the same truth as the original statement
  • Inductive reasoningWord
    Drawing a general rule from patterns
  • Deductive reasoningWord
    Drawing a conclusion from facts that are known to be true
  • Congruent trianglesWord
    Triangles with all matching sides and angles equal
  • LocusWord
    The set of all points that follow a given rule
  • InscribedWord
    Drawn inside another figure and touching it
  • CircumscribedWord
    Drawn around another figure and touching it
  • Tangent (to a circle)Word
    A line that touches a circle at exactly one point
  • SecantWord
    A line that cuts through a circle at two points
  • ChordWord
    A segment with both endpoints on a circle
  • ArcWord
    A part of a circle's edge
  • SectorWord
    A pie-slice region of a circle
  • RadianWord
    An angle measure; the angle whose arc equals the radius
  • SineWord
    In a right triangle, opposite over hypotenuse
  • CosineWord
    In a right triangle, adjacent over hypotenuse
  • Tangent (trigonometry)Word
    In a right triangle, opposite over adjacent
  • Unit circleWord
    A circle of radius 1 centered at the origin
  • AmplitudeWord
    Half the distance between the highest and lowest values of a wave
  • PeriodWord
    The length of one full cycle of a repeating graph
  • LimitWord
    The value a function gets close to as the input approaches a number
  • ContinuousWord
    Having a graph with no breaks, jumps or holes
  • DerivativeWord
    The rate at which a function changes; the slope of its tangent
  • IntegralWord
    The accumulated total under a curve; area under a graph
  • VectorWord
    A quantity with both size and direction
  • ScalarWord
    A quantity with size only
  • PermutationWord
    An arrangement of items in which order matters
  • CombinationWord
    A selection of items in which order does not matter
  • Standard deviationWord
    A measure of how spread out data are around the mean
  • Normal distributionWord
    A bell-shaped, symmetric distribution
  • CorrelationWord
    A measure of how two variables move together
  • Regression lineWord
    The line of best fit through a scatter plot
  • ResidualWord
    The difference between an actual value and the predicted value
  • Conic sectionWord
    A curve from slicing a cone: circle, ellipse, parabola, hyperbola
  • EllipseWord
    An oval shape; the set of points whose distances to two foci add to a constant
  • HyperbolaWord
    A curve with two branches; the set of points whose distances to two foci differ by a constant
  • Polar coordinatesWord
    Describing a point by distance from the origin and an angle
  • Rational functionWord
    A function that is a ratio of two polynomials
  • Extraneous solutionWord
    A solution that comes from the working but does not fit the original equation

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