Give the first 3 terms of an arithmetic sequence that satisfies the following:
1. The first term is a positive integer between 7 and 9, inclusive.
2. The common difference is a negative integer between -9 and -7, inclusive.
Note: There is more than one correct answer. Any example
you choose that meets the above requirements will be scored as correct.
Enter your answers here:
,
and
7
-2
-11
Right!
The student got this item correct.
7
-1
-9
Right!
The student got this item correct.
7
0
-7
Right!
The student got this item correct.
8
-1
-10
Right!
The student got this item correct.
8
0
-8
Right!
The student got this item correct.
8
1
-6
Right!
The student got this item correct.
9
0
-9
Right!
The student got this item correct.
9
1
-7
Right!
The student got this item correct.
9
2
-5
Right!
The student got this item correct.
Sorry, that was incorrect. Your sequence should
have started with a 7, 8, or 9 and then decreased by either 7, 8, or 9.
For example, two correct sequences would be: 7, 0, -7 and 9, 1, -7.
The student got this item incorrect.
ExamplesArithmetic
CommonDifference