Part i


Substituting,

Answer: -1
Part ii
I'm not sure that one's typed in correctly but I'll solve it as written.



We're not asked to simplify it so I wont. Substituting,

Answer: 59/306
Step-by-step explanation:
the steeper line is y = 6x + 11 because its gradient 6, is bigger than 3
After simplifying The answer is -8/3
1. 5a
The multiplication sign isn’t always used in algebra, you can put the two things being multiplied together
For example 8x or 2xy