# 11. Sinif matematik

**URL:** <https://sorumatik.co/t/11-sinif-matematik/8252>\
**Category:** YKS TYT\
**Tags:** 2-dereceden-denkleml\
**Created:** [Ocak 14, 2023, 2:40ös UTC](https://sorumatik.co/t/11-sinif-matematik/8252 "2023-01-14T14:40:40Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![İlknur\_Özdemir](https://sorumatik.co/user_avatar/sorumatik.co/i%CC%87lknur_%C3%B6zdemir/32/3034_2.png) [@İlknur\_Özdemir](https://sorumatik.co/u/%C4%B0lknur_%C3%96zdemir)\
**Post date:** [Ocak 14, 2023, 2:40ös UTC](https://sorumatik.co/t/11-sinif-matematik/8252/1 "2023-01-14T14:40:40Z")

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!16737071578253100756234366201555|243x500 [Link Silindi]

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**Author:** ![İlknur\_Özdemir](https://sorumatik.co/user_avatar/sorumatik.co/i%CC%87lknur_%C3%B6zdemir/32/3034_2.png) [@İlknur\_Özdemir](https://sorumatik.co/u/%C4%B0lknur_%C3%96zdemir)\
**Post date:** [Ocak 14, 2023, 2:40ös UTC](https://sorumatik.co/t/11-sinif-matematik/8252/2 "2023-01-14T14:40:40Z")

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1. 2x²-5x-1=0  
denkleminin köklerinden biri k olduğuna göre,  
ifadesinin değeri kaçtır?  
A) −3  
B)-1  
C) 1  
4K² -10k+1  
D) 3  
E) 9

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<div class="post-metadata">

**Author:** ![tytci1](https://sorumatik.co/letter_avatar_proxy/v4/letter/t/aca169/32.png) [@tytci1](https://sorumatik.co/u/tytci1)\
**Post date:** [Ocak 14, 2023, 3:21ös UTC](https://sorumatik.co/t/11-sinif-matematik/8252/3 "2023-01-14T15:21:36Z")

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2k^2-5k-1=0,

2k^2-5k=1 payda bunun 2 katı

9/2+1=3

@İlknur\_Özdemir