Question

Interpole sete meios aritméticos ente -7 e 22

Answer 1

a₉=-7+(8).r  ⇒22=-7+8r  ⇒22+7=8r  ⇒29=8r ⇒r=29/8

a₁=-7
a₂=-7+29/8=  (-56+29)/8= -27/8

a₃= -27/8+29/8=2/8=1/4
a₄=2/8+29/8=31/8
a₅=31/8+29/8=60/8=30/4=15/2
a₆=60/8+29/8= 89/8
a₇=89/8+29/8= 118/8
a₈=118/8+29/8=147/8
a₉=147/8+29/8=176/8=22

(-7,-27/8,1/4,31/8,15/2,89/8,118/8,147/8,22)