Praxis — An adaptive tutor that shows its working Guest learner

Algebra › Inequalities

0/0 this session +0 XP
Short answer Hard compound ~100s

Solve the compound inequality −5 ≤ 2x − 1 < 7 and describe the solution set.

Hints are free to take and they are counted. A correct answer after two hints moves your mastery less than one without — which is the honest way to score it.

Why this question? this skill is new to you; it stretches you slightly; and it needs calibrating — few people have tried it Predicted chance you get it: 29% — the selector aims at 78%.
difficulty fit 0
skill need 0.75
review boost 0
calibration bonus 0.12
recency penalty 0
repetition penalty 0
frustration 0