Quiz interactif : Algèbre et Géométrie pour la 7ème année

Question 1 sur 10 10:00

[{"id":58837,"question":"Quelle est la solution de l'équation 5x - 10 = 0 ?","option_a":"x = 2","option_b":"x = 5","option_c":"x = 10","option_d":"x = 0","option_e":"","option_f":"","bonne_reponse":"A","explication":"Pour résoudre 5x - 10 = 0, on ajoute 10 des deux côtés (5x = 10), puis on divise par 5 (x = 2).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":58838,"question":"Un angle de 120° est-il aigu, droit ou obtus ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"B","explication":"Un angle obtus mesure entre 90° et 180°. 120° est donc un angle obtus.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":58839,"question":"Quelle est l'aire d'un rectangle de longueur 8 cm et de largeur 5 cm ?","option_a":"26 cm²","option_b":"40 cm²","option_c":"13 cm²","option_d":"30 cm²","option_e":"","option_f":"","bonne_reponse":"B","explication":"L'aire d'un rectangle se calcule avec la formule : longueur × largeur = 8 × 5 = 40 cm².","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":58840,"question":"Les angles alternes-internes sont-ils égaux ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"Les angles alternes-internes sont égaux uniquement si les droites coupées par une sécante sont parallèles.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":58841,"question":"Résoudre l'inéquation : 3x + 2 \u003E 11.","option_a":"x \u003E 3","option_b":"x \u003C 3","option_c":"x \u003E 9","option_d":"x \u003C 9","option_e":"","option_f":"","bonne_reponse":"A","explication":"Soustraire 2 des deux côtés (3x \u003E 9), puis diviser par 3 (x \u003E 3).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":58842,"question":"Quel est le périmètre d'un carré de côté 6 cm ?","option_a":"12 cm","option_b":"24 cm","option_c":"36 cm","option_d":"6 cm","option_e":"","option_f":"","bonne_reponse":"B","explication":"Le périmètre d'un carré se calcule avec la formule : 4 × côté = 4 × 6 = 24 cm.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":58843,"question":"Deux angles complémentaires ont-ils une somme de 180° ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"B","explication":"Deux angles complémentaires ont une somme de 90°. Deux angles supplémentaires ont une somme de 180°.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":58844,"question":"Quelle est la valeur de x dans l'équation : 2(x + 3) = 14 ?","option_a":"x = 4","option_b":"x = 2","option_c":"x = 7","option_d":"x = 5","option_e":"","option_f":"","bonne_reponse":"A","explication":"Développer l'équation : 2x + 6 = 14. Soustraire 6 (2x = 8), puis diviser par 2 (x = 4).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":58845,"question":"L'aire d'un triangle équilatéral de côté 4 cm est-elle de 4√3 cm² ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"L'aire d'un triangle équilatéral se calcule avec la formule : (côté² × √3) \/ 4 = (16 × √3) \/ 4 = 4√3 cm².","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":58846,"question":"Quelle est la solution de l'équation : 4x\/3 = 8 ?","option_a":"x = 6","option_b":"x = 4","option_c":"x = 12","option_d":"x = 2","option_e":"","option_f":"","bonne_reponse":"A","explication":"Multiplier les deux côtés par 3 (4x = 24), puis diviser par 4 (x = 6).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0}]