book Maths Puzzle Numerical Ability

Identify the shape of the graph, transform it into standard form, and sketch the graph.
4x^2 - 9y^2 - 24x - 36y + 36 = 0

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book Other Question

The difference of the reciprocals of two consecutive intergers is 1/30. Find the integers. 3
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y^2-3y+2

Plus

7
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y^2-1