Quiz — P-EX07-30-CM.pdf

Question 1 sur 10 20:00

[{"id":53637,"question":"Quelle est la solution de l'équation 4x - 5 = 19 ?","option_a":"x = 3","option_b":"x = 6","option_c":"x = 4","option_d":"x = 5","option_e":"","option_f":"","bonne_reponse":"c","explication":"Pour résoudre 4x - 5 = 19, ajoutez 5 des deux côtés : 4x = 24. Puis divisez par 4 : x = 6.","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 = 3\", \"b\": \"x = 6\", \"c\": \"x = 4\", \"d\": \"x = 5\"}}","_debug_options_count":4},{"id":53638,"question":"Le produit de (-3) × (-7) est égal à :","option_a":"-21","option_b":"21","option_c":"10","option_d":"-10","option_e":"","option_f":"","bonne_reponse":"b","explication":"Le produit de deux nombres négatifs est positif. (-3) × (-7) = 21.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"-21\", \"b\": \"21\", \"c\": \"10\", \"d\": \"-10\"}}","_debug_options_count":4},{"id":53639,"question":"Vrai ou Faux ? L'équation 2x + 1 = 0 a pour solution x = -0,5.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"En soustrayant 1 des deux côtés : 2x = -1. Puis en divisant par 2 : x = -0,5. L'affirmation est donc 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":53640,"question":"Quelle est la valeur de (-5) + 8 - (-3) ?","option_a":"6","option_b":"16","option_c":"-6","option_d":"0","option_e":"","option_f":"","bonne_reponse":"a","explication":"Calculons étape par étape : (-5) + 8 = 3, puis 3 - (-3) = 3 + 3 = 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\": \"6\", \"b\": \"16\", \"c\": \"-6\", \"d\": \"0\"}}","_debug_options_count":4},{"id":53641,"question":"Vrai ou Faux ? La distributivité s'applique uniquement aux nombres positifs.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"La distributivité s'applique à tous les nombres, qu'ils soient positifs ou négatifs. Exemple : -2 × (3 + 4) = -2 × 3 + (-2) × 4.","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":53642,"question":"Si x + 4 = -2, alors x est égal à :","option_a":"x = 2","option_b":"x = -6","option_c":"x = 6","option_d":"x = -2","option_e":"","option_f":"","bonne_reponse":"b","explication":"Soustraire 4 des deux côtés : x = -2 - 4 = -6.","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 = 2\", \"b\": \"x = -6\", \"c\": \"x = 6\", \"d\": \"x = -2\"}}","_debug_options_count":4},{"id":53643,"question":"Le résultat de (-4) × 5 × (-2) est :","option_a":"-40","option_b":"40","option_c":"20","option_d":"-20","option_e":"","option_f":"","bonne_reponse":"b","explication":"Multipliez d'abord (-4) × 5 = -20, puis -20 × (-2) = 40 (produit de deux nombres négatifs).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"-40\", \"b\": \"40\", \"c\": \"20\", \"d\": \"-20\"}}","_debug_options_count":4},{"id":53644,"question":"Vrai ou Faux ? L'équation 3(x - 2) = 0 a pour solution x = 2.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Développez : 3x - 6 = 0 → 3x = 6 → x = 2. L'affirmation est donc 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":53645,"question":"Quelle est la solution de l'équation -2x + 7 = 13 ?","option_a":"x = -3","option_b":"x = 3","option_c":"x = -6","option_d":"x = 6","option_e":"","option_f":"","bonne_reponse":"a","explication":"Soustraire 7 des deux côtés : -2x = 6. Puis diviser par -2 : 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 = 3\", \"c\": \"x = -6\", \"d\": \"x = 6\"}}","_debug_options_count":4},{"id":53646,"question":"Le résultat de 5 - (-3) + (-8) est :","option_a":"0","option_b":"10","option_c":"-10","option_d":"2","option_e":"","option_f":"","bonne_reponse":"a","explication":"Calculons : 5 - (-3) = 8, puis 8 + (-8) = 0.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"0\", \"b\": \"10\", \"c\": \"-10\", \"d\": \"2\"}}","_debug_options_count":4}]