Higher November 2021 Paper 2 Q10
10 \(p\) is a positive number.
\(n\) is a negative number.
For each statement, tick the correct box. [4 marks]
| Always true | Sometimes true | Never true | |
|---|---|---|---|
| \(p + n\) is positive | |||
| \(p - n\) is positive | |||
| \(p^2 + n^2\) is positive | |||
| \(p^3 \div n^3\) is positive |
| Answer | Mark | Comments |
|---|---|---|
| Sometimes true Always true Always true Never true | B4 | B1 for each |
Additional guidance
| Allow any unambiguous indication eg all 4 correct boxes contain a cross with all other boxes blank | B4 |
| A row with one tick and some crosses – mark the tick | |
| A row with more than one tick is B0 for that row | |
| Mark the boxes not the working lines |