Hits: 35 Question a. By eliminating y from the equations y= x–4, 2×2– xy = 8, show that x2+ 4x – 8 = 0. b. Hence, or otherwise, solve the simultaneous equations y= x–4, 2×2– xy = 8, giving your answers in the form , where a and b are integers. Solution a. We are […]

Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2007 | January | Q#4

Hits: 7 Question Solve the simultaneous equations Solution We are given simultaneous equations; Substituting this for from first equation in the second equation; We have the algebraic formula; Therefore; Now we have two options. By substituting one-by-one these values of in first equation, we can find corresponding values of . For For Hence, there are following two solutions of the […]

Simultaneous Equations (2007) Archives — O/A Level Solutions

Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2007 | June | Q#6

Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2007 | January | Q#4