01-11-2016
Mathematics

contestada

Which value for x makes the open sentence true?

5 + 4 • x = 3^2 + x^2

A.
4

B.
2

C.
3

D.
5

Respuesta :

Аноним Аноним

01-11-2016

The answer would be x=2.

Answer Link

Аноним Аноним

01-11-2016

when x = 2

5 + 4 • 2 = 3^2 + 2^2
5 + 8 = 9 + 4
13 = 13

so answer is B. 2

Answer Link

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