Matemática e Avaliação ACT - Matemática

(mathematics) a quantity whose value changes according to another quantity's varying value

função

to make a representation of something, especially one based on mathematics

modelar, representar

a quantity or value that remains the same and does not change in a specific mathematical context

constante

a combination of numbers, variables, operations, and grouping symbols that collectively represent a numerical value or relationship

expressão algébrica, expressão matemática

(of mathematical expressions or quantities) having the same value or function, even if they appear in different forms

equivalente, equivalente

(mathematics) a quantity that is capable of assuming different values in a calculation

variável, incógnita

a system of numerical values used to quantify and compare levels, degrees, or values

escala, grau

a symbol that represents any number between 0 and 9

dígito, número

the set of all possible input values for which a given function is defined

domínio, conjunto de valores de entrada

(mathematics) a set of points whose coordinates are in agreement with one another

gráfico, diagrama

a graphic design intended to explain something

diagrama, esquema

a diagram consisting of bars with different heights that represent the amount of a variable

histograma

a type of graph used in statistics and data analysis to display and compare two sets of numerical data

gráfico de dispersão, diagrama de dispersão

the point where a line, curve, or surface crosses an axis on a graph

o intercepto, a interseção

a flat, two-dimensional surface that extends infinitely in all directions

plano, superfície plana

any set of numbers that represent an exact position on a map or graph

coordenada, ponto de coordenadas

a straight line drawn through the center of a group of data points on a scatter plot representing the best approximation of the relationship between the variables being studied

linha de melhor ajuste, linha de tendência

to meet or cross another path, line, etc. at a particular point

interseccionar, cruzar

a set of real numbers that includes all the numbers between any two specified numbers within the set

intervalo, intervalos

a mathematical function that creates a straight line when graphed

função linear, função afim

a function that can be expressed as the ratio of two polynomials, where the denominator is not zero

função racional, função que pode ser expressa como razão de dois polinômios

a fixed numerical value that is a whole number, either positive, negative, or zero

constante inteira, valor inteiro fixo

not following a straight or predictable line, sequence, or pattern

não linear, não retilíneo

to have a direct relationship or alignment with something else, such as paired values or elements

corresponder, coincidir

a single number, variable, or the product of numbers and variables in an expression or equation, separated by addition or subtraction operators

termo, elemento

a reference line used in coordinate systems to provide a framework for locating points

eixo

a mathematical function that can be expressed as a sum of terms, where each term is a constant multiplied by a variable raised to a non-negative integer power

função polinomial, polinômio

to fulfill the conditions or requirements of a mathematical statement, equation, or inequality

satisfazer, cumprir

a numerical or constant factor that multiplies a variable in an algebraic term

coeficiente

an equation where the highest power of the variable is squared

quadrática

a statistical method used to model and analyze the relationship between a dependent variable and one or more independent variables

regressão, análise de regressão

having equal distances from two or more points

equidistante

having points that lie on the same straight line

colinear, na mesma linha

a statement or proposition that has been proven to be true based on previously established axioms, definitions, and other theorems within a particular mathematical or logical system

teorema

a recurring interval or length associated with a mathematical function or pattern

período, intervalo

to find the numerical value of an expression, equation, or function by substituting specific values for the variables

avaliar, calcular

a way of representing numbers as the sum of each digit multiplied by its place value

notação expandida, notação ampliada

a method of writing numbers as the product of a coefficient and a power of 10

notação científica, notação exponencial

a rectangular array of numbers or symbols organized in rows and columns, commonly used in linear algebra for representing equations, transformations, and vector operations

matriz

a single number calculated from the elements of a square matrix that indicates important properties, like whether the matrix can be inverted

determinante

the product of all positive whole numbers from 1 to a given number

fatorial

an ordered set of numbers that describes both magnitude and direction, commonly used to represent quantities like displacement, velocity, or force in physics and engineering

vetor

a two-dimensional system used to represent points in space

plano de coordenadas padrão, plano cartesiano padrão

a mathematical function that relates the angles of a triangle to the lengths of its sides, commonly including sine, cosine, and tangent

função trigonométrica, função trigonométrica (matemática)

a way of representing a system of linear equations in matrix form

matriz aumentada, matriz ampliada

a vector that has a magnitude of 1 and represents direction without regard to scale

vetor unitário, vetor de norma um