Quiz about TEST 2 Disequazioni Razionali Fratte e Sistemi di Disequazioni

Question 1

Risolvere la seguente disequazione razionale fratta: $$\frac{x+2}{x-3}>0$$

Accepted Answer

x < -2 or x > 3

Answer

x > -2 or x < 3

Answer

x < -2 and x > 3

Question 2

Risolvere la seguente disequazione razionale fratta: $$\frac{2x-5}{x+1}<0$$

Accepted Answer

$$-1<x<\frac{5}{2}$$

Answer

$$x>\frac{5}{2}$$

Answer

$$-1<x\le\frac{5}{2}$$

Answer

$$x<-1$$

Question 3

Risolvere la seguente disequazione razionale fratta: $$\frac{3x+1}{x-2}\le0$$

Accepted Answer

$$-\frac{1}{3}\le x<2$$

Answer

$$x<-\frac{1}{3}\vee x>2$$

Answer

$$x<-\frac{1}{3}$$

Answer

$$x\le-\frac{1}{3}$$

Question 4

Risolvere la seguente disequazione razionale fratta: $$\frac{4x^2+5x-6}{x-2}\le0$$

Accepted Answer

$$x\le-2\ \vee\ \frac{3}{4}\le x<2$$

Answer

$$x<-2\ \vee\ x\ge\frac{3}{4}$$

Answer

$$x<\frac{3}{4}\ \vee\ x>2$$

Answer

$$x\ge\frac{3}{4}$$

Question 5

Risolvere il seguente sistema di disequazioni: $$2x-3>5;\ 1-x<10$$

Accepted Answer

$$x>4$$

Answer

$$x\ge4$$

Answer

$$-9<x\le4$$

Answer

$$x<9\ \vee\ x>4$$

Question 6

Risolvere la seguente disequazione razionale fratta: (x - 1) / (x + 2) > 0

Accepted Answer

x < -2 or x > 1

Answer

x > -2 or x > 1

Answer

x < -2 or x < 1

Question 7

Risolvere la seguente disequazione razionale fratta: (2x + 3) / (x - 4) < 0

Accepted Answer

x < -3/2 or x > 4

Answer

x < -3/2 or x > 0

Answer

x > -3/2 or x > 4

Answer

x < -3/2 or x < 4

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