Higher June 2018 Unit 2 Q4
4.
(a) The highest common factor (HCF) of 30 and 75 is the square root of a number.
What is the number? [2]
What is the number? [2]
(b) The cube root of 32·768 is \(33\tfrac{1}{3}\)% of a number.
What is the number? [2]
What is the number? [2]
| Scheme | Marks | Comments |
|---|---|---|
| 225 | B2 | Mark final answer. Allow √225 (= 15) as an indication of correct answer and award B2. B1 for unambiguous indication that HCF is 15. B1 only for 152 if not shown to be 225. |
| Scheme | Marks | Comments |
|---|---|---|
| 9·6 | B2 | Mark final answer. B1 for sight of 3·2. |