Leyla /ley-la/ [2 sylls.] as a name for girls. Leyla's name origin is Arabic, and the meaning of Leyla is night beauty.
FYI: Different textbooks have different interpretations of the reference standard form of a quadratic function. Some say f (x) = ax2 + bx + c is standard form, while others say that f (x) = a(x - h)2 + k is standard form.
If the quadratic function is in factored form. the average of the two roots, i.e., is the x-coordinate of the vertex, and hence the vertex is. The vertex is also the maximum point if, or the minimum point if.