exam Maths Puzzle Numerical Ability

Identify the axis of symmetry, create a suitable table of values, then sketch the graph (including the axis of symmetry). y=X^2-4x
Please assist me with this answer, and show me the proper graph and table.

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exam Other Question

Graph the parabola y-2 = (x-5)^2 and clearly indicate its vertex and axis of symmetry.

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