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 ▸What is standard form?
Solve the equation 3x^(2)-7x+3 giving your answer to three significant figures.
By completing the square, find the solutions of x which satisfy the equation x^2+14x-1=0
How do I find the roots and and coordinates of the vertex of the graph y = 2x^2 + 4x - 8 ?