Question

Completar con el número que corresponda.
a) √___+5 = 6
b) √___12 = -3)
c) √5•___-1=7
d) ³√1-___²=-2​

Answer 1

respuesta:

problema 1

$\sqrt{ x } + 5 = 6 \\ \sqrt{ x} = 6 - 5 \\ \sqrt{ x } = 1 \\ x = {1}^{2} \\ x = 1$

problema 2

$\sqrt{x} - 12 = - 3 \\ \sqrt{x} = - 3 + 12 \\ \sqrt{x} = 9 \\ x = {9 }^{2} \\ x = 81$

problema 3

$\sqrt{5} \times x - 1 = 7 \\ 2.23 \times x = 7 + 1 \\ 2.23 \times x = 8 \\ x = \frac{8}{2.23} \\ x = 3.58$

problema 4

$\sqrt[3]{1} - {x}^{2} = - 2 \\ 1 - {x}^{2} = - 2 \\ {x}^{2} = - 2 + 1 \\ {x}^{2} = 3 \\ x = \sqrt{3} \\ x = 1.73$