Question

write first four terms of the arithmetic progression
(1) a=4, d=-3 (2) a=-2, d=0 (3) a=-1.25, d=-0.25

In which of the following situation does the list of numbers involved make an arithmetic progression and why? ​

Answer 1

( 1 )

4, 1, –2, – 5

( 2 )

–2, – 2, – 2, –2

( 3 )

–1.25, –1.50, – 1.75 , – 2.00