Question

sabendo que x =-6 e y =12, calcule :
a) y÷ x
b) x+y
c)x-y
d)y.x

Answer 1

A)

$y \div x = ( - 6) \div 12 = - \frac{1}{2} = - 0.5$

B)

$x + y = - 6 + 12 = 6$

C)

$x - y = - 6 - 12 = - 18$

D)

$y \times x = 12 \times ( - 6) = - 72$