There are two solutions to the equation [tex] \sqrt{16} = \pm 4[/tex] because the product of two negative numbers or two positive numbers of the same magnitude as the negative numbers is the same.
How can the square root of a number be found?
The given equation is [tex] \sqrt{16} = \pm 4[/tex]
The symbol, √, represents the square root function, which gives the square root of a number.
The square root of a number is another number that when multiplied by itself gives the given number.
Given that we have;
Therefore;
[tex] \sqrt{16} = 4[/tex]
However;
[tex]\sqrt{16} = - 4[/tex]
There are therefore two solutions to the equation [tex] \sqrt{16} = y[/tex], which are;
y = 4, or y = -4
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