O-LevelMathematicsAlgebra and graphs4024/12 · May/June 2017 · Q123 Marks
y is inversely proportional to the square of x. The table shows some values for x and y. | x | 2 | 4 | p | |---|---|---|---| | y | 3 | 3/4 | 48 |
- (a)Find the equation connecting x and y.[2]
- (b)Find the value of p.[1]
Mark scheme
Marking points from the official mark scheme (May/June 2017). The mark or mark type is shown in brackets.
- [2] (a) y = 12/(x²) oe
- M1 for 3 = k/(2²) soi or 3/4 = k/(4²) soi
- [1] (b) [±]1/2 oe
Write your answer and get it marked
On Oracle Prep you can write or photograph your own answer and have it marked by AI against this mark scheme, with feedback on what you missed.
Sign up free →