Respuesta :

itzamirv2

To find the value of y that makes the equation true, (7y)^2 = 49^2:

(7y)^2 = 49^2

49y^2 = 2401

Dividing both sides by 49:

y^2 = 2401 / 49

y^2 = 49

Taking the square root of both sides:

y = √49

There are two solutions for y, which are y = 7 and y = -7, because both 7^2 and (-7)^2 equal 49.

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