Question

What is the equation for an arithmetic equation sequence with a first term of 5 and a second term of 2?

Answer 1

a1 = 5
d = a2-a1 = 2-5 = -3


`a(n) = a + (n - 1)d \\ a(n) = 5 + (n -1) - 3 \\ a(n) = 5 - 3(n - 1)`

Answer will be C.

!! Hope It Helps !!

Answer 2

THE THIRD ONE

Explanation:

the equation: An=A1+d(n-1)

plug in the numbers