What is the 32nd term of the arithmetic sequence where a1 = 13 and a13 = –59?

Answer 1

errrr, assuming there is a slope...
slope = (-59 - 13)/(13-1)
slope = -6

y = -6x + c
13 = -6(1) + c
c = 19

To check
y = -6x + 19
y = -6(13) + 19
y = -59

Not sure what grade this is sorry...