4400 Higher June 2005 Paper 4 Q11
11
(a) Solve the simultaneous equations
\(2x + 3y = 4\)
\(6x + 5y = 8\) (3)
\(2x + 3y = 4\)
\(6x + 5y = 8\) (3)
(b) Write down the coordinates of the point of intersection of the two lines whose equations are
\(2x + 3y = 4\) and
\(6x + 5y = 8\) (1)
\(2x + 3y = 4\) and
\(6x + 5y = 8\) (1)
| Scheme | Marks |
|---|---|
| 3 × (i) or otherwise equalize coeffs | M1 |
| \(\frac{1}{2}\), 1 | A1 A1 |
| (3) |
Notes
M1: Whole equations correct
T & I: 3 or 0
| Scheme | Marks |
|---|---|
| Her \((\frac{1}{2}, 1)\) | B1f |
| (1) | |
| (4 marks) |