| Exam Board | WJEC |
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| Module | Unit 1 (Unit 1) |
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| Session | Specimen |
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| Topic | Quadratic Functions |
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9. The quadratic equation \(4 x ^ { 2 } - 12 x + m = 0\), where \(m\) is a positive constant, has two distinct real roots.
Show that the quadratic equation \(3 x ^ { 2 } + m x + 7 = 0\) has no real roots.