Solve the simultaneous equations

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Reference no: EM13292837

a) using a graphical method, solve the following simultaneous equations:

4u + 2y = 5
3u + y = 9

b) using a graphical method, solve the following quadratic equation:

2x^2 + 6x + 3 = 0

Given that the solution lies in the range x = -4 and x = 0

Reference no: EM13292837

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