Matemática 9.º · year 8 · Álgebra

Sistemas de duas equações do 1.º grau a duas incógnitas

28 exercises from national exams, newest first.

Exercise 8

1st phase 2024Open answer

Source: IAVE/EduQA — exam 92, 1st phase, 2024

Exercise 13

1st phase 2023Open answer

Source: IAVE/EduQA — exam 92, 1st phase, 2023

Exercise 14

2nd phase 2022Multiple choice

Source: IAVE/EduQA — exam 92, 2nd phase, 2022

Exercise 15

1st phase 2019Open answer

Source: IAVE/EduQA — exam 92, 1st phase, 2019

Exercise 13

2nd phase 2019Open answer

Source: IAVE/EduQA — exam 92, 2nd phase, 2019

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Exercise 15

2nd phase 2019Open answer

Source: IAVE/EduQA — exam 92, 2nd phase, 2019

Exercise 15

1st phase 2018Open answer

Source: IAVE/EduQA — exam 92, 1st phase, 2018

Exercise 14

2nd phase 2018Open answer

Source: IAVE/EduQA — exam 92, 2nd phase, 2018

Exercise 15

Special sitting 2018Open answer

Source: IAVE/EduQA — exam 92, Special sitting, 2018

Exercise 12

1st phase 2017Multiple choice

Source: IAVE/EduQA — exam 92, 1st phase, 2017

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Exercise 15

2nd phase 2017Multiple choice

Source: IAVE/EduQA — exam 92, 2nd phase, 2017

Exercise 13

Special sitting 2017Multiple choice

Source: IAVE/EduQA — exam 92, Special sitting, 2017

Exercise 13

1st phase 2016Open answer

Source: IAVE/EduQA — exam 92, 1st phase, 2016

Exercise 11

2nd phase 2016Multiple choice

Source: IAVE/EduQA — exam 92, 2nd phase, 2016

Exercise 13

Special sitting 2016Open answer

Source: IAVE/EduQA — exam 92, Special sitting, 2016

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Exercise 11

1st phase 2015Open answer

Source: IAVE/EduQA — exam 62, 1st phase, 2015

Exercise 11

2nd phase 2015Open answer

Source: IAVE/EduQA — exam 62, 2nd phase, 2015

Exercise 7

Special sitting 2015Open answer

Source: IAVE/EduQA — exam 92, Special sitting, 2015

Exercise 16

Special sitting 2015Open answer

Source: IAVE/EduQA — exam 92, Special sitting, 2015

Exercise 11

1st phase 2013Open answer

$Exercise 11 — 11. Resolve o sistema seguinte. x y x y 2 1 3 2 3 1 − + = + = − Z [ \ ]] ]] Apresenta todos os cálculos que efetuares.$

Source: IAVE/EduQA — exam 62, 1st phase, 2013

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Exercise 7

2nd phase 2013Multiple choice

Source: IAVE/EduQA — exam 62, 2nd phase, 2013

Exercise 9

1st phase 2012Open answer

Source: IAVE/EduQA — exam 62, 1st phase, 2012

Exercise 9

2nd phase 2012Open answer

Source: IAVE/EduQA — exam 62, 2nd phase, 2012

Exercise 11

1st phase 2011Open answer

Source: IAVE/EduQA — exam 23, 1st phase, 2011

Exercise 5

2nd phase 2011Multiple choice

Source: IAVE/EduQA — exam 23, 2nd phase, 2011

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Exercise 6

Special sitting 2011Multiple choice

Source: IAVE/EduQA — exam 23, Special sitting, 2011

Exercise 7

1st phase 2010Open answer

Source: IAVE/EduQA — exam 23, 1st phase, 2010

Exercise 7

2nd phase 2010Multiple choice

Source: IAVE/EduQA — exam 23, 2nd phase, 2010

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