Edexcel C1 — Question 4

Exam BoardEdexcel
ModuleC1 (Core Mathematics 1)
TopicQuadratic Functions
  1. (a) Find the value of the constant \(k\) such that the equation
$$x ^ { 2 } - 6 x + k = 0$$ has equal roots.
(b) Solve the inequality $$2 x ^ { 2 } - 9 x + 4 < 0$$
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