Higher June 2019 Paper 1 Q10
10 The graphs with equations \(3y + 2x = \dfrac{1}{2}\) and \(2y - 3x = -\dfrac{113}{12}\) have been drawn on the grid below.
Using the graphs, find estimates of the solutions of the simultaneous equations
\[3y + 2x = \dfrac{1}{2}\]\[2y - 3x = -\dfrac{113}{12}\](2)
| Answer | Mark | Mark scheme |
|---|---|---|
| \(x = 2.2\) to 2.3 \(y = -1.3\) to \(-1.4\) | M1 | for recognition of use of intersection point, one of the solutions given, solutions reversed or solutions given as a coordinate. |
| A1 | \(x\) given in the range 2.2 to 2.3, \(y\) given in the range \(-1.3\) to \(-1.4\) |