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ACT Matematică și Evaluare - Aritmetică și statistică

Aici veți învăța câteva cuvinte în limba engleză legate de aritmetică și statistică, cum ar fi „estimate”, „median”, „divisible”, etc., care vă vor ajuta să vă obțineți ACT-urile.

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ACT Vocabulary for Math and Assessment
integer

any number without fractions or decimals, including positive numbers, negative numbers, and zero

număr întreg

număr întreg

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fraction

a part of a whole number, such as ½

fracție

fracție

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decimal

(mathematics) a number less than one, called a fraction, that is represented as a period followed by the number of tenths, hundredths, etc.

zecimal

zecimal

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mean

(mathematics) the average value of a set of quantities calculated by adding them, and dividing them by the total number of the quantities

medie

medie

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average

calculated by adding a set of numbers together and dividing this amount by the total number of amounts in that set

mediu

mediu

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mixed number

a combination of a whole number and a proper fraction

număr mixt

număr mixt

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prime number

a number greater than 1 with only two devisors which can be itself or 1

număr prim

număr prim

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rational number

a number that can be expressed as the fraction of two integers

număr rațional

număr rațional

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irrational number

a number incapable of being expressed as a ratio of two integers

număr irațional

număr irațional

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complex number

a number that has both a real part and a part involving a unit that, when squared, gives a negative result

număr complex

număr complex

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real number

any number that can be found on the number line, including both positive and negative numbers, zero, and fractions

număr real

număr real

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whole number

any positive number without fractions or decimals, including zero

număr întreg

număr întreg

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root

a value that, when multiplied by itself a specified number of times, results in the given number

rădăcină

rădăcină

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range

the difference between the highest and lowest values in a set of numbers

interval

interval

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solution

a correct answer to a problem in mathematics or a puzzle

soluție

soluție

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product

the result of multiplying two or more numbers or quantities together

produs

produs

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factor

(mathematics) one of the numbers that another number can be divided by

factor

factor

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value

(mathematics) an amount that is shown by a sign or letter

valoare

valoare

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inequality

a statement that compares two quantities, expressions, or values and indicates their relative sizes

inegalitate

inegalitate

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equation

(mathematics) a statement indicating the equality between two values

ecuație

ecuație

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minimum

having the least or smallest amount possible

minim

minim

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exponential

a mathematical expression where a number is multiplied by itself a certain number of times determined by a variable

exponențială

exponențială

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arithmetic sequence

a sequence of numbers in which the difference between any two consecutive terms is constant

șir aritmetic

șir aritmetic

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divisible

having the quality of being divided, especially by a number

divizibil

divizibil

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to square

to multiply a value or number by itself

ridica la pătrat

ridica la pătrat

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improper fraction

a fraction where the the top number is greater than or equal to the equal to the bottom number

fracție inadecvată

fracție inadecvată

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quotient

the result obtained by dividing one quantity or number by another, expressed as the outcome of a division operation

cocient

cocient

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common ratio

the constant ratio between consecutive terms

raport comun

raport comun

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common multiple

a number that is a multiple of two or more given numbers

multiplu comun

multiplu comun

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common factor

a number that divides exactly into two or more given numbers without leaving a remainder

factor comun

factor comun

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common denominator

(mathematics) a number divisible by all the numbers that are below the line in a set of fractions

numitor comun

numitor comun

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least common denominator

the smallest positive integer that is a common multiple of the denominators of two or more fractions

cel mai mic multiplu comun

cel mai mic multiplu comun

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probability

(mathematics) a number representing the chances of something specific happening

probabilitate

probabilitate

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median

a statistical measure that represents the middle value of a data set when the values are arranged in ascending or descending order

mediana

mediana

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mode

the value that appears most frequently in a data set

mod

mod

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bimodal

having or involving two distinct modes, peaks, or most frequent values

bimodal

bimodal

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to estimate

to guess the value, number, quantity, size, etc. of something without exact calculation

estima

estima

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frequency

the number of times a particular event occurs within a specific period or among a set of observations

frecvență

frecvență

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distribution

(statistics) the way statistical data are arranged that shows the frequency in which the values of a variable are repeated

distribuție

distribuție

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standard deviation

a measure of how much the values in a set typically differ from the average

deviație standard

deviație standard

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margin of error

the range within which the true value is expected to fall, accounting for potential inaccuracies in measurement or sampling

marja de eroare

marja de eroare

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random

occurring in such a way that each possible outcome has a certain probability of occurring, but the specific outcome cannot be predicted with certainty

aleatoriu

aleatoriu

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trend line

a straight line drawn through a set of data points on a graph to represent the general direction or pattern of the data

linie de tendință

linie de tendință

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dot plot

a type of statistical chart consisting of dots that represent individual data points

diagram cu puncte

diagram cu puncte

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linear model

a mathematical representation that describes the relationship between two or more variables using a linear equation

model liniar

model liniar

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