Question

X=35,45 y=56,65 relation y=ax+b find a and b

Answer 1

Answer:

As it says, the question can be arranged as 35a+b = 56 and 45a+b = 65

Substracting one from the other we get 45a-35a = 65-56 => a = 0.9

Putting a in the first equation, we get b = 56-35×(0.9) = 24.5