Practice Test Answers

Which of the following is true?

Which summation formula is equivalent to this series? the sum from n is equal to 0 to 3 of open paren negative 1 fifth close paren to the n th power

How can the sum from n is equal to 1 to 25 of 42 be rewritten?

Modern Electronics offers a one-year monthly installment plan for a big screen TV. The payment for the first month is 62 dollars , and then it increases by 4 percent each month for the rest of the year. Which expression can be used to find the total amount paid in the first 12 months?

Mya has a picture that measures 10 inches by 10 inches. She uses a photocopier to reduce the length and width of the picture to 75 percent their original size. What are the dimensions of the picture after five reductions (reducing to 75 percent each time)? Round any decimals to the nearest tenth.

Consider the sequence 1 comma 3 comma 9 comma 27 comma 81 comma dot dot dot Which statement describes the sequence?

What is the value of of this series? the sum from n is equal to 1 to 4 of negative 1 to the n th power

The expression the sum from n is equal to 1 to 200 of 3 represents the sum of the first 200 multiples of 3 What is the sum of the first 200 multiples of 3 ?

Which statement is true?

What is the missing value in the following arithmetic sequence? n 1 2 3 4 5 A sub n 2 3 point 8 5 point 6 9 point 2

An arithmetic series contains 14 numbers. The first number is 12. The last number is 38. What is the sum of the series?

Lamont’s grandmother started a stamp collection in 1932 (year 1) and added the same number of stamps to the collection each year. When Lamont’s mother received the collection at the end of 1972, there were 203 stamps in the collection. Lamont’s mother continued to add the same number of stamps to the collection each year. When Lamont received the collection at the end of 2008, there were 383 stamps in the collection. If Lamont continued to add the same number of stamps each year, how many stamps were in the collection at the end of 2018 (year 87)?

Which geometric series converges?

What is the explicit formula for the arithmetic sequence 4 fifths comma 29 over 30 comma 17 over 15 comma 13 tenths ?

Which statement describes the series? the sum from n is equal to 1 to infinity of 2

Khalid wrote the given sequence. x minus 1 comma negative 2 x plus 2 comma 4 x minus 4 comma negative 8 x plus 8 comma dot dot dot Which formula can be used to find the 10 th term of the sequence?

Which of the following can be used to evaluate this series? the sum from n is equal to 1 to 5 of 6

Which of the following represents a geometric sequence? I 1 fourth comma 1 fourth comma 1 fourth comma 1 fourth comma dot dot dot II 1 fourth comma 1 fifth comma 1 sixth comma 1 seventh comma dot dot dot III 1 fourth comma 1 comma negative 4 comma 16 comma dot dot dot IV 1 fourth comma negative 4 comma 1 fourth comma negative 4 comma dot dot dot