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disequazioni II grado veloci

Authored by Francesco giovannetti

Mathematics

9th - 10th Grade

Used 90+ times

disequazioni II grado veloci
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28 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La disequazione x2>0 è verificata per:

x< 0
x> 0
0<x<1
∀ x ∈R -(0)

∀ x ∈R

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x≤0

x≥0

0≤x≤1

∀ x ∈R -(0)

∀ x ∈R

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x<3

-3<x<3

∀ x ∈R

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

x2 - 16 > 0                            

-4<x<4
x<±4

x>4

x<-4∪x>4

x>-4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the solution set to the inequality 0>x2-4x-5

x<-1 or x>5
x<-5 or x>1
-1<x<5
-5<x<1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve:
2x2 + 5x ≥  12

-4≤x≤3/2
∀x
x≤-4 U x≥3/2
no solution

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

5x - 10x2 < 0

0<x<1/2
x<1/2
x<0 ∪ x>1/2
-1/2<x<0

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