Date | November 2016 | Marks available | 4 | Reference code | 16N.1.SL.TZ0.T_14 |
Level | Standard Level | Paper | Paper 1 (with calculator from previous syllabus) | Time zone | Time zone 0 |
Command term | Find | Question number | T_14 | Adapted from | N/A |
Question
The equation of a curve is .
The gradient of the tangent to the curve at a point P is .
Find .
Find the coordinates of P.
Markscheme
* This question is from an exam for a previous syllabus, and may contain minor differences in marking or structure.
(A1)(A1) (C2)
Note: Award (A1) for , award (A1) for .
Award at most (A1)(A0) if there are any extra terms.
[2 marks]
(M1)
Note: Award (M1) for equating their answer to part (a) to .
(A1)(ft)
Note: Follow through from part (a). Award (M0)(A0) for seen without working.
(M1)
Note: Award (M1) substituting their into the original function.
(A1)(ft) (C4)
Note: Accept .
[4 marks]