9000081403 Level: AFind the inequality which describes the set graphed in the picture.|x+1|>2; x∈R|x−1|<2; x∈R|x+1|<2; x∈R|x−1|>2; x∈R|x−2|>1; x∈R
9000081404 Level: AFind the inequality which describes the set graphed in the picture.|2+x|>1; x∈R|2+x|<1; x∈R|2−x|>1; x∈R|2−x|<1; x∈R|1+x|>2; x∈R
9000081405 Level: AFind the inequality which describes the set graphed in the picture.|2−x|<1; x∈R|2+x|>1; x∈R|2+x|<1; x∈R|2−x|>1; x∈R|1−x|<2; x∈R
9000078501 Level: AWrite the following set in an interval notation. {x∈R;|x|>2}(−∞;−2)∪(2;∞)[2;∞](2;∞)(−∞;−2]∪[2;∞)
9000078502 Level: AWrite the following set in an interval notation. {x∈R;|x|≤4}[−4;4](−4;4)(−∞;−4](−∞;−4)
9000078503 Level: AWrite the following set in an interval notation. {x∈R;|x−3|≥5}(−∞;−2]∪[8;∞)(−∞;−8]∪[2;∞)[2;∞)[8;∞)
9000078504 Level: AWrite the following set in an interval notation. {x∈R;|x+10|>7}(−∞;−17)∪(−3;∞)(−∞;3)∪(17;∞)(−3;∞)(17;∞)
9000026406 Level: BAssuming x∈(−3;2), write the following equation in the form which does not contain an absolute value. |x+3|=|x−2|x+3=−x+2x+3=x−2−x−3=−x+2−x−3=x+2
9000027307 Level: AIdentify the solution set of the following inequality. |2x−6|≤3[1.5;4.5][0;6](2;4)[−1;5]
9000026407 Level: BAssuming x∈[12;∞), write the following equation in the form which does not contain an absolute value. |x+1|+|2x−1|=3x+1+2x−1=3x+1−2x−1=3x+1−2x+1=3−x−1+2x−1=3