Quiz Mathématiques — Niveau 1ère Année Secondaire

Question 1 sur 10 10:00

[{"id":52631,"question":"Quelle est la solution de l'équation 3x - 5 = 7 ?","option_a":"x = 4","option_b":"x = 12","option_c":"x = 2","option_d":"x = -2","option_e":"","option_f":"","bonne_reponse":"A","explication":"3x - 5 = 7 → 3x = 12 → x = 4. La solution est x = 4.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":52632,"question":"La somme des angles d'un triangle est toujours égale à 180°. Vrai ou Faux ?","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":52633,"question":"Quelle est la forme développée de (x + 3)(x - 2) ?","option_a":"x² + x - 6","option_b":"x² - 5x - 6","option_c":"x² + x + 6","option_d":"x² - x - 6","option_e":"","option_f":"","bonne_reponse":"A","explication":"(x + 3)(x - 2) = x² - 2x + 3x - 6 = x² + x - 6.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":52634,"question":"La fonction f(x) = 2x + 1 est une fonction affine. Vrai ou Faux ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"Une fonction affine s'écrit f(x) = ax + b, ici a = 2 et b = 1.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":52635,"question":"Quelle est la valeur de 5² - 3² ?","option_a":"16","option_b":"4","option_c":"25","option_d":"10","option_e":"","option_f":"","bonne_reponse":"A","explication":"5² - 3² = 25 - 9 = 16.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":52636,"question":"Le périmètre d'un carré de côté c est égal à 4c. Vrai ou Faux ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"Le périmètre d'un carré est bien 4 fois la longueur de son côté.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":52637,"question":"Résoudre l'inéquation 2x + 3 \u003E 7.","option_a":"x \u003E 2","option_b":"x \u003E 5","option_c":"x \u003C 2","option_d":"x \u003C 5","option_e":"","option_f":"","bonne_reponse":"A","explication":"2x + 3 \u003E 7 → 2x \u003E 4 → x \u003E 2.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":52638,"question":"Le volume d'un cube d'arête a est égal à a³. Vrai ou Faux ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"Le volume d'un cube est bien donné par la formule V = a³.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":52639,"question":"Quelle est la solution de l'équation x\/2 + 1 = 3 ?","option_a":"x = 4","option_b":"x = 2","option_c":"x = 6","option_d":"x = 1","option_e":"","option_f":"","bonne_reponse":"A","explication":"x\/2 + 1 = 3 → x\/2 = 2 → x = 4.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":52640,"question":"La droite d'équation y = 3x - 2 passe par le point (1, 1). Vrai ou Faux ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"B","explication":"Pour x = 1, y = 3(1) - 2 = 1. Le point (1, 1) appartient bien à la droite.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0}]