Quiz A — first attempt
10 questions · Outcome AB-G8-8N1.2/8N3Instant feedback: onNo hints in quizzes — by designMastery: ≥8/10 + gates Q8 & Q9 · Badge: Roots & IrrationalsQuestion 1 of 10 · 0 correct so far
Difficulty: Medium
Short answer
Is 0.4545545554... (the block of 5s grows by one each time) rational or irrational? Justify in one sentence.
Fractions like 1 1/2, 9/6 and 3/2 are all accepted where they're equal.
Need a second attempt? Take Quiz B — the parallel retake form →