OCR MEI C1 — Question 11

Exam BoardOCR MEI
ModuleC1 (Core Mathematics 1)
TopicQuadratic Functions
11
  1. Find the range of values of \(k\) for which the equation \(x ^ { 2 } + 5 x + k = 0\) has one or more real roots.
  2. Solve the equation \(4 x ^ { 2 } + 20 x + 25 = 0\).
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