Question

Evaluate ax + by + cz for x = 1, y = -1, z = 2, a = -2, b = 1, c= -2​

Answer 1

Answer:-

ax+by+cz

x=1, y=-1, z=2, a=-2,b=1 and c=-2.

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

-2+(-1)+(-4)

-2-1-4

-7

Answer 2

Answer:

-7

Step-by-step explanation:

= ax + by + cz

= -2 x 1 + 1 x -1 + ( -2 x 2 )

= -2 -1 -4

= -7