Find the common difference of each of the above lists. Think when is i

1.	Find the common difference of each of the above lists. Think when is it positive?
Answer» Common difference d = a₂ – a₁ a) 148 – 147 = 1 b) -3.0 – (-3.1) = 0.1 c) 900 – 950 = -50 d) 250 – 200 = 50 e) 100 – 50 = 50 Common difference is positive when a₂ > a₁

Find the common difference of each of the above lists. Think when is it positive?

Answer»

Common difference d = a₂ – a₁

a) 148 – 147 = 1

b) -3.0 – (-3.1) = 0.1

c) 900 – 950 = -50

d) 250 – 200 = 50

e) 100 – 50 = 50

Common difference is positive when a₂ > a₁