Quiz Mathématiques — Niveau 7ème Année : Testez vos connaissances !

Question 1 sur 10 10:00

[{"id":66442,"question":"Quelle est la solution de l'équation 3x + 5 = 20 ?","option_a":"x = 5","option_b":"x = 15","option_c":"x = 10","option_d":"x = 25","option_e":"","option_f":"","bonne_reponse":"A","explication":"Pour résoudre 3x + 5 = 20, soustrayez 5 des deux côtés : 3x = 15, puis divisez par 3 : x = 5.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":66443,"question":"La somme de deux angles complémentaires est toujours égale à 180°. Vrai ou Faux ?","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°, tandis que deux angles supplémentaires ont une somme de 180°.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":66444,"question":"Quel est le résultat de 2\/3 + 1\/6 ?","option_a":"3\/9","option_b":"5\/6","option_c":"1\/2","option_d":"4\/9","option_e":"","option_f":"","bonne_reponse":"B","explication":"Pour additionner 2\/3 et 1\/6, trouvez un dénominateur commun (6) : 4\/6 + 1\/6 = 5\/6.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":66445,"question":"Un triangle isocèle a toujours deux angles égaux. Vrai ou Faux ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"Un triangle isocèle possède deux côtés égaux et, par conséquent, deux angles égaux.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":66446,"question":"Résolvez l'inéquation : 2x - 7 \u003C 3.","option_a":"x \u003C 5","option_b":"x \u003E 5","option_c":"x \u003C 2","option_d":"x \u003E 2","option_e":"","option_f":"","bonne_reponse":"A","explication":"Ajoutez 7 des deux côtés : 2x \u003C 10, puis divisez par 2 : x \u003C 5.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":66447,"question":"Le périmètre d'un carré de côté 4 cm est de 16 cm. 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 se calcule par 4 × côté : 4 × 4 = 16 cm. L'affirmation est donc vraie.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":66448,"question":"Quelle est la valeur de x dans l'équation 5(x - 2) = 25 ?","option_a":"x = 7","option_b":"x = 5","option_c":"x = 3","option_d":"x = 1","option_e":"","option_f":"","bonne_reponse":"A","explication":"Divisez d'abord par 5 : x - 2 = 5, puis ajoutez 2 : x = 7.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":66449,"question":"Un nombre pair est toujours divisible par 4. Vrai ou Faux ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"B","explication":"Un nombre pair est divisible par 2, mais pas nécessairement par 4 (exemple : 6).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":66450,"question":"Calculez : (3\/4) × (8\/9).","option_a":"24\/36","option_b":"6\/9","option_c":"2\/3","option_d":"3\/9","option_e":"","option_f":"","bonne_reponse":"C","explication":"Multipliez les numérateurs (3 × 8 = 24) et les dénominateurs (4 × 9 = 36), puis simplifiez : 24\/36 = 2\/3.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":66451,"question":"La médiatrice d'un segment est toujours perpendiculaire à ce segment. Vrai ou Faux ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"Par définition, la médiatrice d'un segment est une droite perpendiculaire au segment et passant par son milieu.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0}]