6| Step 2: Arithmetic Series
Authored by Maria Leon
Mathematics
8th Grade
Used 1+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Evaluate the arithmetic series described:
2 + (-2) + (-6) + (-10)..., S10
To solve this, which formula should you use?
2.
FILL IN THE BLANKS QUESTION
5 mins • 1 pt
Evaluate the arithmetic series described:
2 + (-2) + (-6) + (-10)..., S10
Type in the substitution into the formula.
I'll give this one to you. Copy out the formula exactly, but with the right substitutions. Please use the format below for all future similar questions.
Answer: S10=10/2[2(2)+(10-1)(-4)]
(a)
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Evaluate the arithmetic series described:
2 + (-2) + (-6) + (-10)..., S10
-160
-320
-328
-336
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Evaluate the arithmetic series described:
11 + 18 + 25 + 32..., S7
To solve this, which formula should you use?
5.
FILL IN THE BLANKS QUESTION
5 mins • 1 pt
Evaluate the arithmetic series described:
11 + 18 + 25 + 32..., S7
Type in the substitution into the formula.
(a)
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Evaluate the arithmetic series described:
11 + 18 + 25 + 32..., S7
225
384
450
224
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the sum of the 1st 20 terms:
2+5+8+...
To solve this, which formula should you use?
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