Number Theory Q1

QuizÂ by Maria Victoria Allingag

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15 questions
• Q1
\$/1-x/=5 , x=?\$
\$4,-6\$
\$-4,-6\$
\$4,6\$
\$-4,6\$
120s
• Q2
\$/x/ > a\$ means
\$x>a\$ or \$x>-a\$
\$x-a\$
\$x
\$x>a\$ or \$x<-a\$
120s
• Q3
\$x^2\$ \$>-2\$ , \$x=?\$
\$3,4,5,...\$
all integers
no solution
120s
• Q4
\$/2x-3/ <5\$ , the solution set is
-2,-1,0,1,2
0,1,2,3
1,2
0,1,2
120s
• Q5
Which of the following is NOT true? For any integers x,
120s
• Q6
Which of the following is True?
120s
• Q7
Which of the following is False?
W is not closed under division
W is closed under subtraction
N is not closed under division
N is closed not under subtraction
120s
• Q8
The only integer that is not a solution of the given inequality is
1
0,1,2
-1
0
120s
• Q9
Find the solution
1
0,1
-1
0
120s
• Q10
Which of the following has solutions?
120s
• Q11
True or False
True
False
120s
• Q12
True or False
False
True
120s
• Q13
True or False
True
False
120s
• Q14
True or False
True
False
120s
• Q15
True or False
False
True
120s

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