Express x^2+2x+4 in the form (x+a)^2 + b, hence find the stationary point of the curve.

Step 1) x2+2x+4 = (x+1)2+3Step 2) Minimum point occurs at (-1, 3)
I can use the whiteboard to explain it better.

AN

Related Maths GCSE answers

All answers ▸

How do you solve algebraic fractions with quadratics?


What is a product of prime factors?


Solve: 6x + 3 = 3x + 9


Expand and simplify 3(m + 4) – 2(4m + 1)