Question

Solve y^2= 49 , where y is a real number
Simplify your answer as much as possible

Answer 1

${y}^{2} = 49$

Move the square to the right-hand side and convert it to underoot

$y = \sqrt{49}$

Calculate the root of 49

$y = 7 \:or -7$

Answer 2

Answer:

y = +7 or -7

Step-by-step explanation:

y^2 = 49

square rooting both sides

y = √49

y = +7 or -7