Question

Rog ajutatima ....toate exercitiile

Answer 1

Răspuns:

3. -5, 1.-8/25; 2. ....

Explicație pas cu pas:

3.5x+24<4 => 5x=-20 => x<-4=> x=-5.

1.a=2-3 => a=-1

b=2/5÷5/4 => b=2/5×4/5 => b=8/25

a•b=-1•8/25=-8/25.

2.-2x<4 <=> 2x>-4 => x>-2

-1 0 1 2 3 4

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