exam Maths Puzzle Numerical Ability

6x-9 + y
x + 2 5 fox x 1, y = 10

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exam Other Question

Find the vertex, the line of symmetry and the max/minimum value of f(x). Graph the function.

I have worked some of these successfully but am confused with the way this problem How do I graph the parabola, specify the vertex, focus, directrix and axis of symmetry for this equation: {{{y^2-20y-4x+108=0}}}