Question

6. If a = 1. b = -1, c = 1, r= -2, y = 2 and z = - 2. then, evaluate: ar-by+cz​

Answer 1

Answer:

given;

a=1

b= -1

c=1

r= -2

y=2

z= -2

to find;

ar - by + cz =?

solution;

(1)(-2) - (-1)(2) + (1)(-2)

= -2 - (-2) + ( -2)

=(-2 +2 -2)

= -2

answer;

-2