9709 P15 - Nov 2025 - Q3 - 3 marks
9682
(a) Express \(4x^2+10x+6\) in the form \(a(x+b)^2+c\), with rational constants. [2]
(b) The curve \(y=4x^2+10x+6\) and \(y=k\) have exactly one intersection. State \(k\). [1]
