Domains of Expressions

Submitted by ladislav.foltyn on Sat, 03/02/2019 - 16:56
Project ID: 
6000000033
Accepted: 
SubArea: 
Quadratic equations and inequalities
Type: 
Match
Layout: 
6x6
Question: 
Match the given expressions with their domains.
Questions Title: 
Expressions:
Answers Title: 
Domains:
Question 1: 
1x2−1+x+2x−2
Answer 1: 

x∈R∖{±1;2}

Question 2: 
x+1x2+8x+15−x−1x
Answer 2: 

x∈R∖{−5;−3;0}

Question 3: 
3x2−2x−15:xx−1
Answer 3: 

x∈R∖{−3;0;1;5}

Question 4: 
xx4−5x2+4
Answer 4: 

x∈R∖{±1;±2}

Question 5: 
x+1x6−7x3−8
Answer 5: 

x∈R∖{−1;2}

Question 6: 
1x2+5x+7⋅x+1x−1
Answer 6: 

x∈R∖{1}

Tex: 
% tiket 32914 \NastavOT{2} \NastavOD{2}