Quiz : Maîtrisez les racines carrées, cubiques et quatrièmes

Question 1 sur 10 10:00

[{"id":13473,"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},{"id":13474,"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},{"id":13475,"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},{"id":13476,"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},{"id":13477,"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},{"id":13478,"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},{"id":13479,"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},{"id":13480,"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},{"id":13481,"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},{"id":13482,"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}]