Question

Me ayudan a resolver estos ejercicios pls? Y les doy coronita :D

Answer 1

Respuesta:

:)

Explicación paso a paso:

a) y²  - 144 =

y² = 144

y = √144

y = 12

b) 81 - x² =

-x² = -81

x² = 81

x = √81

x = 9

c) 16x² - 9 =

16x² = 9

x² = 9/16

x = √9/16

x = 3/4

d) 36a² - 1 =

36a² = 1

a² = 1/36

a = √1/36

a = 1/6

e) 49x²y² - 4 =

49x²y² = 4

x²y² = 4/49

x² = 4/49y²

x = √4/49y²

x = 2/7y

f) 2x² - 8y² =

2x² = 8y²

x² = 8y²/2

x² = 4y²

x = √4y²

x = 2y