abbycoco01 abbycoco01

18-06-2019
Mathematics

contestada

Solve the equation by finding square roots
[tex]x {}^{2} - 16 = 0[/tex]
A.No solution
B.4
C.16
D.4,-4

Respuesta :

ernest725 ernest725

18-06-2019

Answer:

D) 4, -4

Step-by-step explanation:

The solution is in the picture

Why square root of 16 is 4 and -4?

Because

[tex] {4}^{2} = {( - 4)}^{2} = 16[/tex]

Ver imagen ernest725

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