Edexcel C1 2012 June — Question 8

Exam BoardEdexcel
ModuleC1 (Core Mathematics 1)
Year2012
SessionJune
TopicQuadratic Functions

8. $$4 x - 5 - x ^ { 2 } = q - ( x + p ) ^ { 2 }$$ where \(p\) and \(q\) are integers.
  1. Find the value of \(p\) and the value of \(q\).
  2. Calculate the discriminant of \(4 x - 5 - x ^ { 2 }\)
  3. On the axes on page 17, sketch the curve with equation \(y = 4 x - 5 - x ^ { 2 }\) showing clearly the coordinates of any points where the curve crosses the coordinate axes. \includegraphics[max width=\textwidth, alt={}, center]{089c3b5b-22ab-4fa2-8383-4f30cefa792a-11_1143_1143_260_388}