Question

repedeeeee dau coroana !!!​

Answer 1

a) x² = 100

x = ± 10

b) y² = 4/9

y = ± 2/3

c) x² = - 64 nu are solutie

d) 2x² = 8

x² = 4

x  = ± 2

e) 4z²/5 = 45

4z² = 225

z² = 225/4

z = ± 15/2

f) 0,5t² = 24,5

t² = 49

t = 7