1. Rozwiąż, a następnie podaj największą liczbę całkowitą spełniającą nierówność 2. Rozwiąż Najlepie.... Question from @voluryn

October 2018 1 18 Report

1. Rozwiąż, a następnie podaj największą liczbę całkowitą spełniającą nierówność $\frac{x-1}{5}-2<-2x+1$

2. Rozwiąż $3(x-5)(x+6)\ge0$

Najlepiej, żeby było rozpisane.

zanecia90

1. pomnożyć razy 5 wszystko

x-1-10<-10x+5

x+10x<5+11

11x<16 /11

x<16/11

x<1 5/11

największą liczbą całkowitą spełniajacą tę nierównosc jest liczba 1

2. 3x^2+3x-90>0

delta=b^2-4ac=9+1080=1089

/delta=/1089=33

x1=-36 /6=-6

x2=30/6=5

2 votes Thanks 1

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