nicb3333
nicb3333 nicb3333
  • 24-09-2019
  • Mathematics
contestada

Explain how to find the square root of 100. Explain why you use the underlined + sign.

Respuesta :

ktrav258
ktrav258 ktrav258
  • 24-09-2019

Answer:

±10

Step-by-step explanation:

so what squared is 100?

10. but also -10.

10*10 = 100, and -10*-10 is also 100.

therefore, sqrt(100) has two solutions, which are positive or negative 10, and that's the application of ±.

Answer Link
anonymoushackertroll
anonymoushackertroll anonymoushackertroll
  • 24-09-2019

Answer:

10

Step-by-step explanation:

Factor the number: 100 = [tex]10^{2}[/tex]

=[tex]\sqrt{10^2}[/tex]

Apply radical rule: [tex]\sqrt[n]{a^n} =a[/tex]

[tex]\sqrt{10^2} =10[/tex]

=10

Answer Link

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