O-LevelMathematicsCoordinate geometry4024/11 · Oct/Nov 2017 · Q214 Marks
The diagram shows the triangle ABC formed by the lines y = 6, x = 23 and y = x/3. [Figure 21]
- (a)Find the coordinates of A.[1]
- (b)The region inside the triangle is defined by three inequalities. One of these is x < 23. Write down the other two inequalities.[1]
- (c)The point P (h, k), where h and k are integers, lies inside triangle ABC. Find the values of h and k.[2]
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Mark scheme
Marking points from the official mark scheme (Oct/Nov 2017). The mark or mark type is shown in brackets.
- [1] (18,6)
- [1] Both y > 6 and y < x/3
- [2] C1 for one correct
- [2] h = 22 and k = 7
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