Write 5x2+20x+135x^2 + 20x + 135x2+20x+13 in the form a(x+b)2+ca(x + b)^2 + ca(x+b)2+c where aaa, bbb, and c c\,c are integers.
Hence, or otherwise, write down the coordinates of the turning point of the graph of y=5x2+20x+13y = 5x^2 + 20x + 13y=5x2+20x+13
Practise Eduqas GCSE Maths Completing the Square with exam-style questions for Foundation and Higher tier. 56 questions, matched to the Eduqas GCSE Maths (C300QS) specification and written in Component 1 and Component 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.