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Matematika dan Penilaian ACT - Aritmatika dan Statistik

Pelajari kosakata ACT untuk aritmetika dan statistik, termasuk perhitungan, rata-rata, rasio, persentase, data, probabilitas, dan interpretasi informasi numerik.

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ACT Vocabulary for Math and Assessment
integer
integer
[Kata benda]

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

bilangan bulat

bilangan bulat

Ex: The set of integers includes both positive and negative values as well as zero. 

Himpunan bilangan bulat mencakup nilai positif dan negatif serta nol.

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fraction
fraction
[Kata benda]

a number obtained by dividing one integer or rational number by another, typically written in the form a/b

pecahan, pecahan biasa

pecahan, pecahan biasa

Ex: Fractions can be converted to decimals for easier calculation. 

Pecahan dapat diubah menjadi desimal untuk perhitungan yang lebih mudah.

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decimal
decimal
[Kata benda]

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

desimal, bilangan desimal

desimal, bilangan desimal

Ex: The decimal system, based on powers of ten, is widely used in everyday arithmetic and financial calculations. 

Sistem desimal, berdasarkan pangkat sepuluh, banyak digunakan dalam aritmetika sehari-hari dan perhitungan keuangan.

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mean
mean
[Kata benda]

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

rata-rata, rata-rata aritmetika

rata-rata, rata-rata aritmetika

Ex: To find the mean of 4, 6, and 8, add them together and divide by 3. 

Untuk menemukan rata-rata dari 4, 6, dan 8, tambahkan mereka dan bagi dengan 3.

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average
average
[Adjektiva]

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

rata-rata

rata-rata

Ex: His average score in math class is 85%. 

Nilai rata-rata nya di kelas matematika adalah 85%.

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mixed number
mixed number
[Kata benda]

a combination of a whole number and a proper fraction

bilangan campuran, pecahan campuran

bilangan campuran, pecahan campuran

Ex: In baking recipes, it's common to encounter mixed numbers when measuring ingredients like flour or sugar. 

Dalam resep memanggang, sering dijumpai bilangan campuran saat mengukur bahan-bahan seperti tepung atau gula.

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prime number
prime number
[Kata benda]

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

bilangan prima

bilangan prima

Ex: The number 15 is not a prime number (divisible by 3 and 5). 

Angka 15 bukanlah bilangan prima (dapat dibagi dengan 3 dan 5).

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rational number
rational number
[Kata benda]

a number that can be written as a fraction, where both the top and bottom are whole numbers, and the bottom is not zero

bilangan rasional, pecahan rasional

bilangan rasional, pecahan rasional

Ex: 3/4 is a rational number because it can be written as a fraction of two integers. 

3/4 adalah bilangan rasional karena dapat ditulis sebagai pecahan dua bilangan bulat.

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irrational number
irrational number
[Kata benda]

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

bilangan irasional, bilangan yang tidak dapat dinyatakan sebagai rasio

bilangan irasional, bilangan yang tidak dapat dinyatakan sebagai rasio

Ex: The square root of 2 is an irrational number. 

Akar kuadrat dari 2 adalah bilangan irasional.

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complex number
complex number
[Kata benda]

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

bilangan kompleks, kompleks

bilangan kompleks, kompleks

Ex: Multiplying a complex number by its conjugate results in a real number. 

Mengalikan bilangan kompleks dengan konjugatnya menghasilkan bilangan real.

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real number
real number
[Kata benda]

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

bilangan riil, riil

bilangan riil, riil

Ex: In mathematics, the set of real numbers is often denoted by the symbol R. 

Dalam matematika, himpunan bilangan real sering dilambangkan dengan simbol R.

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whole number
whole number
[Kata benda]

any positive number without fractions or decimals, including zero

bilangan bulat, bilangan asli

bilangan bulat, bilangan asli

Ex: The numbers 0, 1, 2, 3, and so on are all whole numbers. 

Angka 0, 1, 2, 3, dan seterusnya semuanya adalah bilangan bulat.

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root
root
[Kata benda]

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

akar, radikal

akar, radikal

Ex: Calculators can quickly find the roots of large numbers. 

Kalkulator dapat dengan cepat menemukan akar dari angka besar.

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range
range
[Kata benda]

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

rentang, jangkauan

rentang, jangkauan

Ex: The range of exam scores in the class was 40 points, from a low of 55 to a high of 95. 

Rentang nilai ujian di kelas adalah 40 poin, dari terendah 55 hingga tertinggi 95.

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solution
solution
[Kata benda]

a correct answer to a problem in mathematics or a puzzle

solusi, jawaban

solusi, jawaban

Ex: The engineer devised an innovative solution to improve the efficiency of the production process. 

Insinyur itu merancang solusi inovatif untuk meningkatkan efisiensi proses produksi.

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product
product
[Kata benda]

the result of multiplying two or more numbers or quantities together

produk, hasil perkalian

produk, hasil perkalian

Ex: Multiplying any number by zero gives a product of zero. 

Mengalikan angka apa pun dengan nol menghasilkan produk nol.

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factor
factor
[Kata benda]

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

faktor

faktor

Ex: A factor of a number divides it evenly without leaving a remainder. 

Sebuah faktor dari suatu bilangan membaginya secara merata tanpa meninggalkan sisa.

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value
value
[Kata benda]

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

nilai, jumlah

nilai, jumlah

Ex: In algebra, variables represent unknown values that can be determined through equations. 

Dalam aljabar, variabel mewakili nilai yang tidak diketahui yang dapat ditentukan melalui persamaan.

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inequality
inequality
[Kata benda]

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

ketidaksamaan

ketidaksamaan

Ex: In optimization problems, we often need to find the maximum or minimum value of a function subject to certain inequalities. 

Dalam masalah optimasi, kita sering perlu menemukan nilai maksimum atau minimum dari suatu fungsi yang tunduk pada beberapa ketidaksamaan.

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equation
equation
[Kata benda]

(mathematics) a statement indicating the equality between two values

persamaan

persamaan

Ex: Balancing chemical equations is crucial in chemistry to ensure conservation of atoms and mass. 

Menyeimbangkan persamaan kimia sangat penting dalam kimia untuk memastikan konservasi atom dan massa.

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minimum
minimum
[Adjektiva]

having the least or smallest amount possible

minimal, terkecil

minimal, terkecil

Ex: The minimum age for purchasing alcohol is 21 in many countries. 

Usia minimum untuk membeli alkohol adalah 21 tahun di banyak negara.

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exponential
exponential
[Kata benda]

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

eksponensial, fungsi eksponensial

eksponensial, fungsi eksponensial

Ex: Financial analysts use exponentials to calculate compound interest. 

Analis keuangan menggunakan eksponensial untuk menghitung bunga majemuk.

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arithmetic sequence

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

deret aritmetika, urutan aritmetika

deret aritmetika, urutan aritmetika

Ex: In an arithmetic sequence, the difference between consecutive terms is always the same, regardless of the position of the terms. 

Dalam suatu deret aritmetika, selisih antara suku-suku berturut-turut selalu sama, terlepas dari posisi suku-suku tersebut.

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divisible
divisible
[Adjektiva]

having the quality of being divided, especially by a number

dapat dibagi

dapat dibagi

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to square
to square
[kata kerja]

to multiply a value or number by itself

mengkuadratkan, mengalikan dengan dirinya sendiri

mengkuadratkan, mengalikan dengan dirinya sendiri

Ex: The area of a square can be found by squaring the length of one of its sides. 

Luas persegi dapat ditemukan dengan mengkuadratkan panjang salah satu sisinya.

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improper fraction
improper fraction
[Kata benda]

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

pecahan tidak murni

pecahan tidak murni

Ex: To compare improper fractions, you can convert them to decimal form. 

Untuk membandingkan pecahan tidak biasa, Anda dapat mengubahnya ke bentuk desimal.

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quotient
quotient
[Kata benda]

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

hasil bagi

hasil bagi

Ex: When dividing 15 by 3, the quotient is 5. 

Ketika membagi 15 dengan 3, hasil bagi adalah 5.

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common ratio
common ratio
[Kata benda]

the constant ratio between consecutive terms

rasio umum, rasio konstan

rasio umum, rasio konstan

Ex: A common ratio of 1 results in a constant sequence, where all terms are equal. 

Rasio umum 1 menghasilkan urutan konstan, di mana semua suku sama.

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common multiple
common multiple
[Kata benda]

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

kelipatan persekutuan, persekutuan kelipatan

kelipatan persekutuan, persekutuan kelipatan

Ex: In solving problems involving fractions, it's often useful to find a common multiple of the denominators. 

Dalam memecahkan masalah yang melibatkan pecahan, seringkali berguna untuk menemukan kelipatan persekutuan dari penyebut.

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common factor
common factor
[Kata benda]

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

faktor bersama, pembagi bersama

faktor bersama, pembagi bersama

Ex: To simplify an expression, look for the common factor of the terms. 

Untuk menyederhanakan ekspresi, cari faktor bersama dari suku-suku tersebut.

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common denominator
common denominator
[Kata benda]

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

penyebut bersama, penyebut umum

penyebut bersama, penyebut umum

Ex: She converted both fractions to have a common denominator before subtracting them. 
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least common denominator

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

penyebut persekutuan terkecil, penyebut bersama terkecil

penyebut persekutuan terkecil, penyebut bersama terkecil

Ex: Finding the least common denominator is a crucial step in solving problems that involve multiple fractions. 

Menemukan penyebut terkecil yang sama adalah langkah penting dalam memecahkan masalah yang melibatkan beberapa pecahan.

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probability
probability
[Kata benda]

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

probabilitas

probabilitas

Ex: The probability of rolling a six on a fair die is one-sixth. 
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median
median
[Kata benda]

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

median, nilai tengah

median, nilai tengah

Ex: In a list of exam scores {85, 90, 92, 78, 95}, the median is 90, the middle score when ordered. 

Dalam daftar nilai ujian {85, 90, 92, 78, 95}, median adalah 90, nilai tengah ketika diurutkan.

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mode
mode
[Kata benda]

the value that appears most frequently in a data set

modus, nilai yang paling sering muncul

modus, nilai yang paling sering muncul

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bimodal
bimodal
[Adjektiva]

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

bimodal, memiliki dua modus

bimodal, memiliki dua modus

Ex: The data set was clearly bimodal, with peaks at both 10 and 20. 

Kumpulan data jelas bimodal, dengan puncak di 10 dan 20.

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to estimate
to estimate
[kata kerja]

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

memperkirakan, menaksir

memperkirakan, menaksir

Ex: He estimated the distance to be around five miles. 

Dia memperkirakan jaraknya sekitar lima mil.

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frequency
frequency
[Kata benda]

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

frekuensi

frekuensi

Ex: The frequency of heartbeats per minute is an important vital sign. 

Frekuensi detak jantung per menit adalah tanda vital yang penting.

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distribution
distribution
[Kata benda]

(statistics) an arrangement of values of a variable showing how often each occurs, either observed or theoretical

distribusi, penyebaran

distribusi, penyebaran

Ex: The normal distribution is a key concept in statistics. 

Distribusi normal adalah konsep kunci dalam statistik.

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standard deviation
standard deviation
[Kata benda]

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

simpangan baku, deviasi standar

simpangan baku, deviasi standar

Ex: In finance, a high standard deviation of returns suggests higher volatility. 

Dalam keuangan, standar deviasi tinggi dari pengembalian menunjukkan volatilitas yang lebih tinggi.

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margin of error
margin of error
[Kata benda]

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

margin kesalahan, rentang kesalahan

margin kesalahan, rentang kesalahan

Ex: A smaller margin of error suggests more confidence in the accuracy of the results. 

Margin of error yang lebih kecil menunjukkan lebih banyak kepercayaan pada keakuratan hasil.

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random
random
[Adjektiva]

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

acak, random

acak, random

Ex: Random sampling techniques help statisticians make inferences about a population based on data collected from a smaller subset. 

Teknik pengambilan sampel acak membantu statistikawan membuat inferensi tentang suatu populasi berdasarkan data yang dikumpulkan dari subset yang lebih kecil.

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trend line
trend line
[Kata benda]

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

garis tren, garis kecenderungan

garis tren, garis kecenderungan

Ex: Analysts use trend lines to identify market trends and make investment decisions. 

Analis menggunakan garis tren untuk mengidentifikasi tren pasar dan membuat keputusan investasi.

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dot plot
dot plot
[Kata benda]

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

plot titik, diagram titik

plot titik, diagram titik

Ex: Creating a dot plot helped us visualize the frequency of different categories in our small survey sample. 

Membuat plot titik membantu kami memvisualisasikan frekuensi berbagai kategori dalam sampel survei kecil kami.

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linear model
linear model
[Kata benda]

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

model linear, model regresi linear

model linear, model regresi linear

Ex: Engineers often use linear models to approximate the behavior of complex systems within a certain range. 

Para insinyur sering menggunakan model linear untuk mendekati perilaku sistem kompleks dalam rentang tertentu.

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