Question: QUESTION 2 a) Solve the following simultaneous equations: i) $$ begin{array}{r} 6 x+2 y+4 z=22 3 x+2 y+z=10 -x-2y+3 z=14 end{array} $$ ii) $$ begin{array}{1}

$QUESTION 2 a) Solve the following simultaneous equations: i) $$ \begin{array}{r}$

QUESTION 2 a) Solve the following simultaneous equations: i) $$ \begin{array}{r} 6 x+2 y+4 z=22 3 x+2 y+z=10 -x-2y+3 z=14 \end{array} $$ ii) $$ \begin{array}{1} x+3 y=1 x^{2}+y^{2}=6 y-1 \end{array} $$ (11 marks) b) Solve the following inequalities: i) $3 x^{2}-3 \leq 9 x+81$ ii) $$ \frac{5 x-3)(x+3}>2 5 + $$ (9 marks) SP.SD.310

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