Examen

a) x = 1, 4

b) x = ±1, ±16

c) x = ±1, ±4

d) x = 1, 16

a) x = ±2

b) x = ±1, ±2

c) x= -1, 2

d) x = -2, 1

a) x = -5, -1, 0, 2

b) x = -1, 0, 2, 5

c) x = -1, 0, 5

d) x = -2, 0, 1

a) x = -2, -1, 3

b) x = -2, 1, 2, 3

c) x = -2, 1, 3

d) x = 1, 2, 3, 5

a) x = 2, 1/5

b) x = -1, 2

c) x = -2, -1/5

d) Ninguna es correcta

a)  x = 3; y = 2

b) x = -3; y = 2

c) x = -3; y = -2

d) x = 3; y = -2

a) x = 3; y = 0

b) x = 3; y = -1

c) x = 0; y = -2

d) x = -3; y = 0

a) x = -2, y = 2; x = 2, y = -2

b) x = -1, y = 1; x = 1, y = -1

c) x = -1, y = 1

d) x = -3, y = 3; x = 2, y = -2

a) x = -1, y = 1; x = 1, y = -1

b) x = -2, y = 1/2; x = 1/2, y = -2

c) x = -1, y = 1

d) x = -1, y = 1; x = 1/2, y = -2

a) x = 1, y = 4; x = -1, y = -4; x = 1, y = -4; x = -1, y = 4

b) x = 4, y = 1; x = -4, y = -1; x = 4, y = -1; x = -4, y = 1

c) x = 4, y = 1; x = -4, y = -1

d) x = 4, y = 1; x = -4, y = -1; x = 1, y = 4; x = -1, y = -4