Question

find the first term and the common difference of aps-5, -1, 3,7​

Answer 1

Answer:

first term is -5

common difference: a2-a1=-1-(-5)= -1+5=4

Answer 2

Answer:

a = -5 and d= 4

Step-by-step explanation:

Given ap -5,-1,3,7

we can se that a1 = -5

so now we can find the common difference denoted by (d)

(d) is find by subtracting second term and first term so

d = a1 -a2

d = -1-(-5)

d= -1+5

d = 4

Answer