Mathématiques 1ère année : Évaluation des bases

Question 1 sur 10 10:00

[{"id":50831,"question":"Quel est le résultat de 3 × (4 + 2) ?","option_a":"18","option_b":"14","option_c":"24","option_d":"12","option_e":"","option_f":"","bonne_reponse":"A","explication":"On applique d'abord la règle des parenthèses : 4 + 2 = 6, puis on multiplie par 3 : 3 × 6 = 18.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":50832,"question":"L'équation x + 5 = 10 a pour solution x = 5.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"En soustrayant 5 des deux côtés, on obtient x = 5, donc la solution est correcte.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":50833,"question":"Quel est le périmètre d'un carré de côté 4 cm ?","option_a":"8 cm","option_b":"12 cm","option_c":"16 cm","option_d":"20 cm","option_e":"","option_f":"","bonne_reponse":"C","explication":"Le périmètre d'un carré se calcule par 4 × côté = 4 × 4 = 16 cm.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":50834,"question":"La somme des angles d'un triangle est égale à 180 degrés.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"C'est une propriété fondamentale de la géométrie plane.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":50835,"question":"Résoudre l'inéquation 2x - 3 \u003E 5.","option_a":"x \u003E 4","option_b":"x \u003C 4","option_c":"x \u003E 1","option_d":"x \u003C 1","option_e":"","option_f":"","bonne_reponse":"A","explication":"En ajoutant 3 des deux côtés : 2x \u003E 8, puis en divisant par 2 : x \u003E 4.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":50836,"question":"Quel est le volume d'un cube de côté 3 cm ?","option_a":"9 cm³","option_b":"18 cm³","option_c":"27 cm³","option_d":"36 cm³","option_e":"","option_f":"","bonne_reponse":"C","explication":"Le volume d'un cube se calcule par côté³ = 3³ = 27 cm³.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":50837,"question":"La racine carrée de 16 est 4.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"4 × 4 = 16, donc √16 = 4.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":50838,"question":"Quel est le résultat de (-3) × (-2) ?","option_a":"-6","option_b":"6","option_c":"5","option_d":"-5","option_e":"","option_f":"","bonne_reponse":"B","explication":"Le produit de deux nombres négatifs est positif : (-3) × (-2) = 6.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":50839,"question":"Un angle plat mesure 180 degrés.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"Un angle plat correspond à une ligne droite, soit 180°.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":50840,"question":"Résoudre l'équation 5x = 20.","option_a":"x = 4","option_b":"x = 5","option_c":"x = 10","option_d":"x = 15","option_e":"","option_f":"","bonne_reponse":"A","explication":"En divisant les deux côtés par 5, on obtient x = 4.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0}]