what is the first term and the common difference if the second term is -24 and the fifth term is 3?
$$\\t_n=a+(n-1)d\\\\ t_2=-24\qquad t_5=3\\\\ a+1*d=-24\\ a+d=-24 \qquad (1)\\\\ a+4d=3\qquad (2)\\\\ $Now solve equations 1 and 2 simultaneously$$$