book Maths Puzzle Numerical Ability

well i got a packet and the question was to do this
Graph:

y=xsquared+x+2

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book Other Question

Solve the following systems of equations using the augmented matrix.

3. x-y+3z=-1
2x+y-z=0
3x-4y+z=1
Plase help me with this problem


Graph: {{{ y=16x^2-24x+9}}}