Quiz — ccp_MP1.pdf

Question 1 sur 5 10:00

[{"id":568,"question":"Quelle est la solution de l’équation 3x - 5 = 10 ?","option_a":"x = 5","option_b":"x = 15","option_c":"x = 3","option_d":"x = 10","option_e":"","option_f":"","bonne_reponse":"A","explication":"Pour résoudre 3x - 5 = 10, ajoutez 5 des deux côtés : 3x = 15, puis divisez par 3 : x = 5.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":569,"question":"Quelle est l’expression d’une fonction linéaire ?","option_a":"f(x) = ax + b","option_b":"f(x) = ax² + bx + c","option_c":"f(x) = a\/x","option_d":"f(x) = √x","option_e":"","option_f":"","bonne_reponse":"A","explication":"Une fonction linéaire s’écrit sous la forme f(x) = ax, où a est un nombre réel.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":570,"question":"Dans un triangle rectangle, si les côtés de l’angle droit mesurent 3 cm et 4 cm, quelle est la longueur de l’hypoténuse ?","option_a":"5 cm","option_b":"7 cm","option_c":"6 cm","option_d":"8 cm","option_e":"","option_f":"","bonne_reponse":"A","explication":"D’après le théorème de Pythagore : hypoténuse² = 3² + 4² = 9 + 16 = 25, donc hypoténuse = √25 = 5 cm.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":571,"question":"Quelle est la moyenne des nombres 4, 6, 8 et 10 ?","option_a":"7","option_b":"8","option_c":"6","option_d":"7,5","option_e":"","option_f":"","bonne_reponse":"A","explication":"La moyenne se calcule en additionnant les nombres (4 + 6 + 8 + 10 = 28) puis en divisant par le nombre de valeurs (28 ÷ 4 = 7).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":572,"question":"Quelle est la forme réduite de l’expression 2(x + 3) - 5 ?","option_a":"2x + 1","option_b":"2x + 6","option_c":"2x + 3","option_d":"2x - 2","option_e":"","option_f":"","bonne_reponse":"A","explication":"Développez d’abord : 2(x + 3) = 2x + 6, puis soustrayez 5 : 2x + 6 - 5 = 2x + 1.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0}]