Quiz : Algèbre et Géométrie — 3ème année secondaire

Question 1 sur 10 10:00

[{"id":20598,"question":"Quelle est la solution de l'équation 3x - 5 = 10 ?","option_a":"x = 5","option_b":"x = 3","option_c":"x = 15\/3","option_d":"x = 2","option_e":"","option_f":"","bonne_reponse":"A","explication":"3x - 5 = 10 → 3x = 15 → x = 5.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":20599,"question":"Le théorème de Pythagore s'applique-t-il à tous les triangles ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"B","explication":"Le théorème de Pythagore ne s'applique qu'aux triangles rectangles.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":20600,"question":"Quelle est l'aire d'un rectangle de longueur 8 cm et de largeur 5 cm ?","option_a":"40 cm²","option_b":"13 cm²","option_c":"26 cm²","option_d":"30 cm²","option_e":"","option_f":"","bonne_reponse":"A","explication":"Aire = longueur × largeur = 8 × 5 = 40 cm².","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":20601,"question":"Dans un triangle équilatéral, tous les angles mesurent 60°.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"Un triangle équilatéral a trois angles égaux à 60°.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":20602,"question":"Quelle est la solution du système d'équations { 2x + y = 5 ; x - y = 1 } ?","option_a":"x = 2, y = 1","option_b":"x = 1, y = 3","option_c":"x = 3, y = -1","option_d":"x = 0, y = 5","option_e":"","option_f":"","bonne_reponse":"B","explication":"En résolvant le système, on trouve x = 2 et y = 1.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":20603,"question":"Le volume d'un cube de côté 4 cm est de 64 cm³.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"Volume = côté³ = 4³ = 64 cm³.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":20604,"question":"Quelle est la formule de l'aire d'un triangle ?","option_a":"A = base × hauteur","option_b":"A = (base × hauteur)\/2","option_c":"A = côté²","option_d":"A = π × rayon²","option_e":"","option_f":"","bonne_reponse":"B","explication":"L'aire d'un triangle est donnée par A = (base × hauteur)\/2.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":20605,"question":"Dans un parallélogramme, les diagonales se coupent en leur milieu.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"C'est une propriété fondamentale des parallélogrammes.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":20606,"question":"Quelle est la solution de l'inéquation 2x + 3 \u003E 7 ?","option_a":"x \u003E 2","option_b":"x \u003E 5","option_c":"x \u003C 2","option_d":"x \u003C 5","option_e":"","option_f":"","bonne_reponse":"A","explication":"2x + 3 \u003E 7 → 2x \u003E 4 → x \u003E 2.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":20607,"question":"Le théorème de Thalès s'applique-t-il uniquement aux triangles semblables ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"B","explication":"Le théorème de Thalès s'applique à des droites parallèles coupant deux sécantes, pas uniquement aux triangles semblables.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0}]