Question

ME AJUDEMMMMM

Calcule as raízes das equaçõe

a) – X2 - 4X – 3 = 0
b) 2X2 + 12X - 32 = 0
c) 3X2 - X – 10 = 0
d) X2 - 15X = 0
e) 2X2 + 18X = 0
f) – 3X2 - 15X = 0
g) X2 - 121 = 0
h) 3X2 - 147 = 0
i) 5X2 - 5 = 0
Complete com os valores de X1 e X2
a) X1 _______ e X2 ________
b) X1________ e X2 _______
c) X1________ e X2 _______
d) X1________ e X2 _______
e) X1________ e X2 _______
f) X1________ e X2 _______
g) X1________ e X2 ________
h) X1________ e X2 ________
i) X1________ e X2 ________

Answer 1

Resposta:

a) X1 = -3 e X2= -1

b) X1= 2 e X2= -8

c) X1=2 e X2 = -5/3

d) X1=15 e X2=0

e) X1= 0 e X2 = -9

f) X1= -5  e X2 = 0  

g) X1= +11 e X2 = -11

h) X1= +7 e X2 =-7

i) X1= +1 e X2 = -1