Question 473026
For a positive quadratic equation which has an upward parabola, the minimum value is at the vertex.
To find the vertex of a parabola use formula formula for finding line of symmetry when equation is in standard form.
{{{x = (-b)/2a}}}
{{{x = (-(-1.5))/(2(.5))}}}
{{{x = 1.5}}}
remember x is in hundreds
Therefore to minimize avg cost, 150 bicycles should be built