Quiz — -4am-ds1-9_20-21.pdf

Question 1 sur 10 20:00

[{"id":34090,"question":"Quelle est la solution de l'équation 3x - 5 = 10 ?","option_a":"x = 5","option_b":"x = 3","option_c":"x = 15\/3","option_d":"x = 15","option_e":"","option_f":"","bonne_reponse":"a","explication":"3x - 5 = 10 → 3x = 15 → x = 5. La solution est x = 5.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"x = 5\", \"b\": \"x = 3\", \"c\": \"x = 15\/3\", \"d\": \"x = 15\"}}","_debug_options_count":4},{"id":34091,"question":"Le théorème de Pythagore s'applique uniquement aux triangles rectangles.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Le théorème de Pythagore est valable uniquement pour les triangles rectangles, où le carré de l'hypoténuse est égal à la somme des carrés des deux autres côtés.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":34092,"question":"Si deux grandeurs sont proportionnelles, leur représentation graphique est une droite passant par l'origine.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"En effet, si deux grandeurs sont proportionnelles, leur rapport est constant, ce qui se traduit graphiquement par une droite passant par l'origine du repère.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":34093,"question":"Résoudre l'équation : 2(x + 3) = 4x - 6.","option_a":"x = 6","option_b":"x = 0","option_c":"x = 3","option_d":"x = -3","option_e":"","option_f":"","bonne_reponse":"b","explication":"2(x + 3) = 4x - 6 → 2x + 6 = 4x - 6 → 6 + 6 = 4x - 2x → 12 = 2x → x = 6. La solution est x = 6.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"x = 6\", \"b\": \"x = 0\", \"c\": \"x = 3\", \"d\": \"x = -3\"}}","_debug_options_count":4},{"id":34094,"question":"Dans un triangle rectangle, si les côtés de l'angle droit mesurent 3 cm et 4 cm, l'hypoténuse mesure :","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 → hypoténuse = √25 = 5 cm.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"5 cm\", \"b\": \"7 cm\", \"c\": \"6 cm\", \"d\": \"8 cm\"}}","_debug_options_count":4},{"id":34095,"question":"La formule de l'aire d'un triangle est : A = (base × hauteur) \/ 2.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La formule correcte pour calculer l'aire d'un triangle est bien A = (base × hauteur) \/ 2.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":34096,"question":"Si 5 kg de pommes coûtent 10 dinars, combien coûtent 8 kg ?","option_a":"12 dinars","option_b":"16 dinars","option_c":"14 dinars","option_d":"18 dinars","option_e":"","option_f":"","bonne_reponse":"b","explication":"Le prix au kg est 10 \/ 5 = 2 dinars\/kg. Pour 8 kg : 8 × 2 = 16 dinars.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"12 dinars\", \"b\": \"16 dinars\", \"c\": \"14 dinars\", \"d\": \"18 dinars\"}","_debug_options_count":4},{"id":34097,"question":"Un triangle isocèle a deux côtés de même longueur.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Un triangle isocèle est défini par deux côtés de même longueur, ce qui implique également deux angles égaux.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":34098,"question":"Résoudre l'inéquation : 2x + 7 \u003E 15.","option_a":"x \u003E 4","option_b":"x \u003C 4","option_c":"x \u003E 8","option_d":"x \u003C 8","option_e":"","option_f":"","bonne_reponse":"a","explication":"2x + 7 \u003E 15 → 2x \u003E 8 → x \u003E 4. La solution est x \u003E 4.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"x \u003E 4\", \"b\": \"x \u003C 4\", \"c\": \"x \u003E 8\", \"d\": \"x \u003C 8\"}}","_debug_options_count":4},{"id":34099,"question":"Le périmètre d'un carré de côté 5 cm est :","option_a":"10 cm","option_b":"20 cm","option_c":"25 cm","option_d":"15 cm","option_e":"","option_f":"","bonne_reponse":"b","explication":"Le périmètre d'un carré se calcule par P = 4 × côté. Ici, P = 4 × 5 = 20 cm.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"10 cm\", \"b\": \"20 cm\", \"c\": \"25 cm\", \"d\": \"15 cm\"}}","_debug_options_count":4}]