Réduis l'expression algébrique suivante:
2x3 + 5y - (x3 - 2y) - 10
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Quiz
•
Mathematics
•
7th - 8th Grade
•
Hard
Michel Pesant
Used 99+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Réduis l'expression algébrique suivante:
2x3 + 5y - (x3 - 2y) - 10
x3 + 7y - 10
x3 + 3y - 10
3x3 + 7y - 10
3x3 + 3y - 10
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Réduis l'expression algébrique suivante:
3x2y + 4(-8y2x + 6x2y - 6) + 12
27x2y - 32y2x - 12
-5x2y - 12
9x2y - 32y2x + 6
-23x2y + 6
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Trouve l'aire totale du solide décomposable suivant.
519 mm2
454,5 mm2
634,5 mm2
583,5 mm2
4.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
Voici les résultats lors du dernier quiz en math:
48, 57, 59, 65, 68, 72, 72, 79, 85 ,92, 95
Quelle est la moyenne?
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Calcule l'aire ombrée de la figure suivante.
41,6 cm2
126,1 cm2
139,1 cm2
97,5 cm2
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Si l'aire d'un disque est de , quelle est sa circonférence ?
5 cm
157,08 cm
314,16 cm
31,42 cm
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Il est recommandé de prendre 250 mg d'aspirine aux 8 heures.
Détermine le taux unitaire en
gramme / jour (g/jour).
(Rappel: 1 g = 1000 mg)
1 g/jour
0,3125 g/jour
0,75 g/jour
0,25 g/jour
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