Quiz — img049.pdf

Question 1 sur 10 20:00

[{"id":4356,"question":"Quelle est la solution de l'équation 3x - 5 = 10 ?","option_a":"x = 5","option_b":"x = 15\/3","option_c":"x = 5\/3","option_d":"x = 15","option_e":"","option_f":"","bonne_reponse":"a","explication":"Pour résoudre 3x - 5 = 10, on ajoute 5 aux deux côtés : 3x = 15, puis on divise par 3 : x = 5.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"x = 5\", \"b\": \"x = 15\/3\", \"c\": \"x = 5\/3\", \"d\": \"x = 15\"}}","_debug_options_count":4},{"id":4357,"question":"L'aire d'un rectangle de longueur 8 cm et de largeur 5 cm est de 40 cm².","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"L'aire d'un rectangle se calcule par longueur × largeur. Ici, 8 × 5 = 40 cm², donc l'affirmation est vraie.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":4358,"question":"Quelle est la valeur de x dans l'équation 2(x + 3) = 16 ?","option_a":"x = 5","option_b":"x = 10","option_c":"x = 2","option_d":"x = 8","option_e":"","option_f":"","bonne_reponse":"c","explication":"Développons d'abord : 2x + 6 = 16. Soustrayons 6 : 2x = 10. Divisons par 2 : x = 5.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"x = 5\", \"b\": \"x = 10\", \"c\": \"x = 2\", \"d\": \"x = 8\"}}","_debug_options_count":4},{"id":4359,"question":"Le périmètre d'un carré de côté 6 cm est de 24 cm.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Le périmètre d'un carré se calcule par 4 × côté. Ici, 4 × 6 = 24 cm, donc l'affirmation est vraie.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":4360,"question":"Quelle est la solution de l'équation 4x + 7 = 3x + 12 ?","option_a":"x = 5","option_b":"x = -5","option_c":"x = 19","option_d":"x = 12","option_e":"","option_f":"","bonne_reponse":"a","explication":"Soustraisons 3x des deux côtés : x + 7 = 12. Soustrayons 7 : x = 5.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"x = 5\", \"b\": \"x = -5\", \"c\": \"x = 19\", \"d\": \"x = 12\"}}","_debug_options_count":4},{"id":4361,"question":"L'aire d'un triangle de base 10 cm et de hauteur 6 cm est de 30 cm².","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"L'aire d'un triangle se calcule par (base × hauteur) \/ 2. Ici, (10 × 6) \/ 2 = 30 cm², donc l'affirmation est vraie.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":4362,"question":"Quelle est la valeur de y dans l'équation 5y - 2 = 3y + 8 ?","option_a":"y = 5","option_b":"y = 10","option_c":"y = 3","option_d":"y = 15","option_e":"","option_f":"","bonne_reponse":"a","explication":"Soustraisons 3y des deux côtés : 2y - 2 = 8. Ajoutons 2 : 2y = 10. Divisons par 2 : y = 5.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"y = 5\", \"b\": \"y = 10\", \"c\": \"y = 3\", \"d\": \"y = 15\"}}","_debug_options_count":4},{"id":4363,"question":"Le périmètre d'un cercle de rayon 4 cm est de 8π cm.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"Le périmètre d'un cercle se calcule par 2πr. Ici, 2 × π × 4 = 8π cm, donc l'affirmation est vraie.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":4364,"question":"Quelle est la solution de l'équation 7 - 2x = 3x + 1 ?","option_a":"x = 6\/5","option_b":"x = 1","option_c":"x = 2","option_d":"x = 4\/5","option_e":"","option_f":"","bonne_reponse":"d","explication":"Ajoutons 2x des deux côtés : 7 = 5x + 1. Soustrayons 1 : 6 = 5x. Divisons par 5 : x = 6\/5.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"d\", \"options\": {\"a\": \"x = 6\/5\", \"b\": \"x = 1\", \"c\": \"x = 2\", \"d\": \"x = 4\/5\"}}","_debug_options_count":4},{"id":4365,"question":"L'aire d'un trapèze de bases 8 cm et 12 cm et de hauteur 5 cm est de 50 cm².","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"L'aire d'un trapèze se calcule par ((base1 + base2) × hauteur) \/ 2. Ici, ((8 + 12) × 5) \/ 2 = 50 cm², donc l'affirmation est vraie.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4}]