Quadratic equation

Quality:

Quadratic equation - polynomial equation in a single variable where the highest exponent of the variable is 2. Article “Quadratic equation” in Simple English Wikipedia has 32.7 points for quality (as of July 1, 2026). The article contains 8 references and 7 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Simple English) language version.

Achievements in all the time:

Simple English Wikipedia:

sim

The 4800^th most editable in Simple English Wikipedia.

Global Wikipedia:

The 2053^rd most popular in all topics.

The 5762^nd most popular in AI.

Since the creation of article “Quadratic equation”, its content was written by 37 registered users of Simple English Wikipedia (4800^th place) and edited by 3361 registered Wikipedia users in all languages (5762^nd place).

The article is cited 21 times in Simple English Wikipedia and cited 3021 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #318 in October 2024
• Global: #650 in March 2001

The highest popularity rank from 2008:

• Local (Simple English): #1887 in February 2009
• Global: #477 in September 2010

There are 53 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Quadratic equation		75.1654
2	Tamil (ta) இருபடிச் சமன்பாடு		69.6914
3	Estonian (et) Ruutvõrrand		60
4	German (de) Quadratische Gleichung		59.2721
5	Malay (ms) Persamaan kuadratik		58.766
6	Polish (pl) Równanie kwadratowe		57.6723
7	Indonesian (id) Persamaan kuadrat		55.2245
8	Vietnamese (vi) Phương trình bậc hai		42.7222
9	Spanish (es) Ecuación de segundo grado		39.2404
10	French (fr) Équation du second degré		39.0071

The following table shows the most popular language versions of the article.

#	Language	Popularity award	Relative popularity
1	English (en) Quadratic equation		21 941 713
2	Spanish (es) Ecuación de segundo grado		10 543 919
3	German (de) Quadratische Gleichung		7 426 476
4	Russian (ru) Квадратное уравнение		4 178 291
5	French (fr) Équation du second degré		2 938 195
6	Italian (it) Equazione di secondo grado		2 548 381
7	Vietnamese (vi) Phương trình bậc hai		1 786 876
8	Portuguese (pt) Equação quadrática		1 686 146
9	Polish (pl) Równanie kwadratowe		1 537 026
10	Chinese (zh) 一元二次方程		1 252 616

The following table shows the language versions of the article with the highest popularity in the last month.

#	Language	Popularity award	Relative popularity
1	English (en) Quadratic equation		16 464
2	German (de) Quadratische Gleichung		8 450
3	Russian (ru) Квадратное уравнение		5 369
4	French (fr) Équation du second degré		3 191
5	Spanish (es) Ecuación de segundo grado		2 937
6	Chinese (zh) 一元二次方程		1 003
7	Italian (it) Equazione di secondo grado		957
8	Portuguese (pt) Equação quadrática		698
9	Polish (pl) Równanie kwadratowe		686
10	Japanese (ja) 二次方程式		651

The following table shows the language versions of the article with the highest Authors’ Interest.

#	Language	AI award	Relative AI
1	English (en) Quadratic equation		857
2	German (de) Quadratische Gleichung		375
3	Spanish (es) Ecuación de segundo grado		231
4	French (fr) Équation du second degré		177
5	Russian (ru) Квадратное уравнение		161
6	Italian (it) Equazione di secondo grado		150
7	Portuguese (pt) Equação quadrática		124
8	Vietnamese (vi) Phương trình bậc hai		88
9	Hebrew (he) משוואה ממעלה שנייה		74
10	Dutch (nl) Vierkantsvergelijking		70

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

#	Language	AI award	Relative AI
1	English (en) Quadratic equation		4
2	Arabic (ar) معادلة تربيعية		1
3	Catalan (ca) Equació de segon grau		1
4	Basque (eu) Bigarren mailako ekuazio		1
5	French (fr) Équation du second degré		1
6	Indonesian (id) Persamaan kuadrat		1
7	Serbian (sr) Квадратна једначина		1
8	Azerbaijani (az) Kvadrat tənlik		0
9	Belarusian (be) Квадратнае ўраўненне		0
10	Bulgarian (bg) Квадратно уравнение		0

The following table shows the language versions of the article with the highest number of citations.

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In Simple English Wikipedia the most popular articles on that day were: List of European countries, Black, List of sex positions, 2026 Iran war, Suresh Raina, Politics of Germany, Academy Award for Best Director, 2020, DYSS-TV, 2022.

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information