2010010008
Level:
B
Choose the set equal to \( \{ x \in \mathbb{N}: |x|< 3 \}\).
\( \{ 1;2\}\)
\( \{ 0;1;2;3\}\)
\( \{ -2;-1;0;1;2\}\)
\( \{ 1;2;3\}\)
Absolute value
2010010007
Level:
B
Choose the set equal to \( \{ x \in \mathbb{Z}: |x|< 4 \}\).
\( \{ -3;-2;-1;0;1;2;3\}\)
\( \{ 0;1;2;3\}\)
\( \{ 1;2;3\}\)
\( \{ -1;0;1\}\)
2010010006
Level:
A
Evaluate the following expression.
\[ ||2-4|-2\cdot |1-3||\]
\( 2\)
\( 7\)
\(6\)
\( 8\)
2010010005
Level:
A
Evaluate the following expression.
\[ ||3-4|-2\cdot |1-5||\]
\( 7\)
\( 9\)
\(6\)
\( 8\)
2010010004
Level:
A
Choose the true statement.
\( |3-7| \leq |7-3|\)
\( |4-6| > |6-4|\)
\( |1-7| < |7-1|\)
\( |2-8| = |8+2|\)
2010010003
Level:
A
Choose the true statement.
\( |3-4| \leq |4-3|\)
\( |3-6| > |6-3|\)
\( |2-7| < |7-2|\)
\( |3-8| = |8+3|\)
2010010002
Level:
B
Choose the set with all the elements satisfying the given inequality.
\[ |x|>3\]
\( x \in \{-5;-4;4;5\}\)
\( x \in \{0;1;2\}\)
\( x \in \{-5;-4;-3\}\)
\( x \in \{3;4;5\}\)
2010010001
Level:
B
Choose the set with all the elements satisfying the given inequality.
\[|x| < 3\]
\( x \in \{-1;0;2\}\)
\( x \in \{1;2;3\}\)
\( x \in \{-3;-2;-1;0\}\)
\( x \in \{-4;-2;0\}\)
2010001605
Level:
B
Assuming \(x\in (3;\infty )\), simplify the following expression. \[ |2x -3| + |x + 1|-2x \]
\(x-2\)
\(-3x+4\)
\(-5x+2\)
\(-x-4\)
2010001604
Level:
B
Which equation describes real numbers \( x \) that are equidistant from the numbers \( -2 \) and \( 3 \) on the number line?
\( |x+2|=|x-3| \)
\( |x+2|=|x+3| \)
\( |x-2|=|x-3| \)
\( |x-2|=|x+3| \)