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1-Solve the inequality (s+8)(s-1)\(\le\)0

2- Solve the inequality x(x+6)>16

3-Solve the inequality 4t^2\(\le\)9t-2

4-Solve the inequality \(\[\frac{3-z}{z+1} \ge 1.\]\)

5-For an integer n, the inequality \(x^2 + nx + 15 < 0\)
has no real solutions in x. Find the number of different possible values of n.

 

thanks

 May 28, 2021
 #1
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1. The solution is (-inf,-8] U [1,inf).

 

2. The solution is (2,inf).

 May 28, 2021
 #2
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It says that it is wrong...

Chocolatehere  May 28, 2021

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