Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2015 | June | Q#2
Question
Solve the simultaneous equations
Solution
We are given simultaneous equations;
We rearrange the first equation to find y in terms of x.
Substituting this from first equation in the second equation;
We have the algebraic formula;
Now we have two options.
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By substituting one-by-one these values of in first equation, we can find corresponding values of
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For |
For |
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Hence, there are following two solutions of the given simultaneous equations;
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