Find the ratio and terms of a geometric sequence
9th grade (Year 10 in England) · 16 questions · Common Core: HSF.BF.A.2, HSF.LE.A.2 · England: GCSE Higher Algebra
Name
Date
Score/ 16
Question 1
Find the 6th term of the geometric sequence 640, 320, 160, …
Answer
Question 2
What is the common ratio of the geometric sequence −2, −6, −18, −54, …?
Answer
Question 3
Aisha invests $2000. The value is multiplied by 1.05 every year, giving a geometric sequence. What is the value at the start of year 6 (after 5 years)? Round to the nearest whole number.
Answer
Question 4
Find the 6th term of the geometric sequence 3, 6, 12, …
Answer
Question 5
What is the common ratio of the geometric sequence 7, 14, 28, 56, …?
Answer
Question 6
Yuki invests $3000. The value is multiplied by 0.9 every year, giving a geometric sequence. What is the value at the start of year 5 (after 4 years)? Round to the nearest whole number.
Answer
Question 7
Find the 6th term of the geometric sequence 3, 6, 12, …
Answer
Question 8
What is the common ratio of the geometric sequence −2, −6, −18, −54, …?
Answer
Question 9
Sam invests $9000. The value is multiplied by 0.9 every year, giving a geometric sequence. What is the value at the start of year 5 (after 4 years)? Round to the nearest whole number.
Answer
Question 10
Find the 5th term of the geometric sequence 5, −10, 20, …
Answer
Question 11
What is the common ratio of the geometric sequence 2, 10, 50, 250, …?
Answer
Question 12
Omar invests $4000. The value is multiplied by 1.2 every year, giving a geometric sequence. What is the value at the start of year 5 (after 4 years)? Round to the nearest whole number.
Answer
Question 13
Find the 7th term of the geometric sequence 2, 6, 18, …
Answer
Question 14
What is the common ratio of the geometric sequence 7, 14, 28, 56, …?
Answer
Question 15
Kai invests $8000. The value is multiplied by 1.2 every year, giving a geometric sequence. What is the value at the start of year 5 (after 4 years)? Round to the nearest whole number.
Answer
Question 16
Find the 6th term of the geometric sequence 640, 320, 160, …
Answer
All done? Color in the animal! · Free from eurekami.com/math