(i) Given equation is x + y + 6 =0

We can rewrite it as

It is in the form of

Where and

The inclination of the line is

Therefore

Conclusion: Inclination of the line is

(ii) Given equation is

We can rewrite it as

It is in the form of

Where and

Therefore

Conclusion: Inclination of line 3x + 3y + 8 = 0 is

(iii) Given equation is

We can rewrite it as

It is in the form of

Where and c = -4

)

Conclusion: Inclination of the line is