Question

Please help.
Is algebra.

Answer 1

Answer: y = mx + c

m is the gradient.
To find the gradient the formula is;

Rise/Run
3/-3
= -1

x is the x intercept
-2.5

c is the y intercept
3

y = mx + c
y = -1(-2.5) + 3
y = 2.5 + 3
y = 5.5