Math 110, Winter 2010, Midterm 1 practice
Instructions
·Closed book, closed notes, except for one 8.5”-by-11” (or A4) sheet of paper, okay to use both sides. You may be
required to turn in your note sheet with the exam, so write your name on it.
·75 minutes are allowed for this exam.
·Clearly indicate your answer.
·You must show all relevant work and justify your answers appropriately.
·Partial credit will be given, but not without sufficient support.
·No calculators that have a QWERTY-type keyboard are allowed, unless previously approved. The proctor's discretion is
final.
·This test covers Chapter 1, Chapter 2.1, and parts of 2.3
·THIS PRACTICE TEST DOES NOT INCLUDE EVERY TOPIC THAT MIGHT BE ON THE REAL TEST!
·A good way to study is to make a list of all the types of problems we’ve talked about (in class, worksheets,
the textbook, homeworks, and projects if any) and make sure you know how to do each type, and understand the
connections between them.
1. The recent US troop surge into Afghanistan was 30,000 troops. Give two things to
compare this to:
a) [4pts]
b) [4pts]
2. Define:
a) [4pts] accuracy
b) [4pts] precision
3. Give examples of:(that is, name two quantities like speed & distance)
a) [4pts] a directly-proportional relationship
b) [4pts] a non-directly-proportional relationship
4. [4pts] Estimate the number of new refrigerators sold each year in the U.S.
5. [4pts] There were 35 EMU math professors in 1990, and there are now 25. What is the
percent change?
