Minimum Point On A CurveWatch
The minimum point will be when x = -4. You have to set the inside of the bracket to zero.
Sub x= -4 in to the original equation to find the value of the function at this point.
source: http://www.mathcentre.ac.uk/resource...ingsquare1.pdf (section 4)
- Study Helper
There's no need to check. A quadratic graph has the shape of a parabola, and if the coefficient of x^2 is positive, it will only have one minimum point and no other stationary points.
There's no need to resurrect a 6 year old thread