| Exam Board | OCR |
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| Module | C1 (Core Mathematics 1) |
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| Year | 2009 |
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| Session | June |
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| Topic | Quadratic Functions |
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7
- Express \(x ^ { 2 } - 5 x + \frac { 1 } { 4 }\) in the form \(( x - a ) ^ { 2 } - b\).
- Find the centre and radius of the circle with equation \(x ^ { 2 } + y ^ { 2 } - 5 x + \frac { 1 } { 4 } = 0\).