Quiz — Racines carrées, cubiques, quatrièmes.pdf

Question 1 sur 10 20:00

[{"id":9313,"question":"Quelle est la valeur de √16 ?","option_a":"2","option_b":"4","option_c":"8","option_d":"16","option_e":"","option_f":"","bonne_reponse":"b","explication":"La racine carrée de 16 est 4 car 4² = 16.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"2\", \"b\": \"4\", \"c\": \"8\", \"d\": \"16\"}}","_debug_options_count":4},{"id":9314,"question":"La racine cubique de 27 est 3.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La racine cubique de 27 est bien 3 car 3³ = 27.","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":9315,"question":"Quelle est la racine quatrième de 16 ?","option_a":"2","option_b":"4","option_c":"8","option_d":"16","option_e":"","option_f":"","bonne_reponse":"a","explication":"La racine quatrième de 16 est 2 car 2⁴ = 16.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"2\", \"b\": \"4\", \"c\": \"8\", \"d\": \"16\"}}","_debug_options_count":4},{"id":9316,"question":"Simplifiez √(50) :","option_a":"5√2","option_b":"10√5","option_c":"√25","option_d":"2√5","option_e":"","option_f":"","bonne_reponse":"a","explication":"√50 = √(25×2) = 5√2.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"5√2\", \"b\": \"10√5\", \"c\": \"√25\", \"d\": \"2√5\"}}","_debug_options_count":4},{"id":9317,"question":"La racine carrée d'un nombre négatif existe dans les réels.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"Dans les nombres réels, la racine carrée d'un nombre négatif n'existe pas.","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":9318,"question":"Quelle est la valeur de ∛(-8) ?","option_a":"-2","option_b":"2","option_c":"-4","option_d":"4","option_e":"","option_f":"","bonne_reponse":"a","explication":"La racine cubique de -8 est -2 car (-2)³ = -8.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"-2\", \"b\": \"2\", \"c\": \"-4\", \"d\": \"4\"}}","_debug_options_count":4},{"id":9319,"question":"Simplifiez ∜(81) :","option_a":"3","option_b":"9","option_c":"√3","option_d":"√9","option_e":"","option_f":"","bonne_reponse":"a","explication":"La racine quatrième de 81 est 3 car 3⁴ = 81.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"3\", \"b\": \"9\", \"c\": \"√3\", \"d\": \"√9\"}}","_debug_options_count":4},{"id":9320,"question":"La racine carrée de 0 est 0.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La racine carrée de 0 est bien 0 car 0² = 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\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":9321,"question":"Quelle est la valeur de √(144) + √(25) ?","option_a":"17","option_b":"19","option_c":"13","option_d":"15","option_e":"","option_f":"","bonne_reponse":"b","explication":"√144 = 12 et √25 = 5, donc 12 + 5 = 17.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"17\", \"b\": \"19\", \"c\": \"13\", \"d\": \"15\"}}","_debug_options_count":4},{"id":9322,"question":"La racine cubique de 1 est 1.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La racine cubique de 1 est bien 1 car 1³ = 1.","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}]