Question

1) Resolva as expressão V16 -V25 é:
A) 1
B) -1
C) 2
D) -2
E) 3

Answer 1

$\large\boxed{\begin{array}{l}\rm\sqrt{16}-\sqrt{25}=4-5=-1\checkmark\\\huge\boxed{\boxed{\boxed{\boxed{\rm\dagger\red{\maltese}~\blue{alternativa~B}}}}}\end{array}}$

Answer 2

Resposta:

→  √16 = 4;  pois 4² = 16

→  √25 = 5; pois 5² = 25

√16 - √25

   4 - 5

      - 1

letra (B)

bons estudos!