Each of the sequences below is arithmetic, find the common difference of each arithmetic sequence
1.) 1, 5, 9, 13
2.)-8, -5, -2, 1, 4
3.)-3,2,7,12
4.)-7,-4,-1,2
5.)-3,-6,-9,12
1.) 1, 5, 9, 13
2.)-8, -5, -2, 1, 4
3.)-3,2,7,12
4.)-7,-4,-1,2
5.)-3,-6,-9,12
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Answer:
1.) d=4
2.) d=3
3.) d=5
4.) d=3
5.) d= -3
Step-by-step explanation:
To get the common difference, subtract any of the term to its preceding term.
1.) d=5-1
d=4
2.) d= -5-(-8)
d= -5+8
d= 3
3.) d= 2-(-3)
d= 2+3
d=5
4.) d= -4-(-7)
d= -4+7
d= 3
5.) d= -6-(-3)
d= -6+3
d= -3