Question

Determine os vértices das parábolas:

(b) y = −x² + 3x
(c) y = 2x² − 5x + 2

Answer 1

as formulas para determinar as coordenadas do vertice da parabula sao : o x do vertice:-b/2a, e o y do vertice: -delta/4aa)xv=3/2 , yv=13/4b)xv=5/4 , yv=-17/8