Question

Determine os coeficientes a b e c
a) y= - 2x^2 + 6x -5
b) y= 5x^2 + 10x
c) y= -x^2 +1

Answer 1

$y = a {x}^{2} + bx + c$

a)

a=-2

b=6

c=-5

b)

a=5

b=10

c=0

c)

a=-1

b=0

c=1