Unit Test — Unit test

Question 1

Which best describes the relationship between the successive terms in the sequence shown?2.4, –4.8, 9.6, –19.2

Revolt · Accepted Answer

The common ratio is –2.0.

Question 2

The table represents the function f(x).

Revolt · Accepted Answer

–1

Question 3

Fiona is serving iced tea and lemonade at a picnic. She has only 44 glasses in which to serve the drinks. If x represents the number of glasses of iced tea and y represents the number of glasses of lemonade, which equation represents the number of glasses of ice tea she can serve?

Revolt · Accepted Answer

x equals 44 minus y

Question 4

The function f(x) is shown on the graph.

Revolt · Accepted Answer

12 only

Question 5

Mr. Jones asks his students to generate the next two numbers in the sequence beginning –5.5, 11, ....Taquan suggests that the sequence is geometric and the next two numbers are –22 and 44. Julia suggests that the sequence is arithmetic and the next two numbers are 27.5 and 44.Which best explains which student is correct?

Revolt · Accepted Answer

Both students could be correct. Because two numbers are given in the original sequence, it is possible to find a common difference and common ratio between the successive terms.

Unit Test — Unit test Answers

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