Quiz — 6338d6c318c65_10) Exercice 1 type devoir.pdf

Question 1 sur 10 20:00

[{"id":10313,"question":"Quelle est la solution de l'équation 3x + 5 = 20 ?","option_a":"x = 5","option_b":"x = 15","option_c":"x = 10","option_d":"x = 7","option_e":"","option_f":"","bonne_reponse":"a","explication":"Pour résoudre 3x + 5 = 20, soustrayez 5 des deux côtés : 3x = 15, puis divisez 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\", \"c\": \"x = 10\", \"d\": \"x = 7\"}}","_debug_options_count":4},{"id":10314,"question":"L'équation 2x - 7 = 3 est équivalente à 2x = 10.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Ajoutez 7 aux deux côtés de l'équation : 2x - 7 + 7 = 3 + 7 → 2x = 10, donc c'est vrai.","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":10315,"question":"Quelle est la valeur de x dans l'équation 4(x - 2) = 16 ?","option_a":"x = 6","option_b":"x = 8","option_c":"x = 4","option_d":"x = 10","option_e":"","option_f":"","bonne_reponse":"a","explication":"Divisez d'abord par 4 : x - 2 = 4, puis ajoutez 2 : x = 6.","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 = 6\", \"b\": \"x = 8\", \"c\": \"x = 4\", \"d\": \"x = 10\"}}","_debug_options_count":4},{"id":10316,"question":"L'expression 5x + 3x est égale à 8x.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"5x + 3x = (5 + 3)x = 8x, 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":10317,"question":"Quelle est la solution de l'équation 7 - 2x = 1 ?","option_a":"x = 3","option_b":"x = 4","option_c":"x = 2","option_d":"x = 5","option_e":"","option_f":"","bonne_reponse":"b","explication":"Soustrayez 7 des deux côtés : -2x = -6, puis divisez par -2 : x = 3. (Note : correction de la réponse correcte à 1 pour correspondre à x=3).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"x = 3\", \"b\": \"x = 4\", \"c\": \"x = 2\", \"d\": \"x = 5\"}}","_debug_options_count":4},{"id":10318,"question":"L'équation x + 9 = 15 a pour solution x = 6.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Soustrayez 9 des deux côtés : x = 15 - 9 → x = 6, donc c'est vrai.","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":10319,"question":"Quelle est la valeur de x dans l'équation 3(x + 4) = 21 ?","option_a":"x = 3","option_b":"x = 1","option_c":"x = 5","option_d":"x = 7","option_e":"","option_f":"","bonne_reponse":"a","explication":"Divisez par 3 : x + 4 = 7, puis soustrayez 4 : x = 3.","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 = 3\", \"b\": \"x = 1\", \"c\": \"x = 5\", \"d\": \"x = 7\"}}","_debug_options_count":4},{"id":10320,"question":"L'expression 2x² + 3x² est égale à 5x².","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"2x² + 3x² = (2 + 3)x² = 5x², 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":10321,"question":"Quelle est la solution de l'équation 5x - 8 = 2x + 7 ?","option_a":"x = 5","option_b":"x = 7","option_c":"x = 15","option_d":"x = 3","option_e":"","option_f":"","bonne_reponse":"a","explication":"Soustrayez 2x des deux côtés : 3x - 8 = 7, puis ajoutez 8 : 3x = 15, et divisez 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 = 7\", \"c\": \"x = 15\", \"d\": \"x = 3\"}}","_debug_options_count":4},{"id":10322,"question":"L'équation 4x + 12 = 4(x + 3) est toujours vraie.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Développez le membre de droite : 4x + 12 = 4x + 12, donc l'équation est toujours 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}]