
Quiz de Matemática
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Lucas Silva de Oliveira
FREE Resource
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25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Um ângulo reto mede:
30°
45°
90°
180°
2.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Qual é o valor de x na equação 2x + 5 = 11?
2
3
4
5
3.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Simplifique a expressão: 3x + 2x - x
4x
5x
6x
7x
4.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Qual é a área de um retângulo de base 5 cm e altura 3 cm?
8 cm²
10 cm²
15 cm²
5.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Um trem percorre 120 km em 2 horas. Qual é a sua velocidade média?
40 km/h
60 km/h
80 km/h
100 km/h
6.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Resolva a seguinte proporção: 3/5 = x/15
x = 3
x = 5
x = 9
x = 12
7.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Qual é o valor de x na equação 2x² - 5x + 3 = 0?
x = 1 e x = 3/2
x = 2 e x = 3
x = -1 e x = -3/2
x = -2 e x = -3
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