Could You Pass This Math Exam? MCQ Quiz

19 Questions | Total Attempts: 436

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Could You Pass This Math Exam? MCQ Quiz

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Questions and Answers
  • 1. 
    Which of the following is an arithmetic sequence?
    • A. 

      1, 2, 4, 7, 13, ...

    • B. 

      1, 2, 3, 6, 9 ...

    • C. 

      1, 2, 4, 6, 8 ...

    • D. 

      1, 2, 4, 8, 16 ...

  • 2. 
    A best-fit line drawn on a scatter plot _______________ . 
    • A. 

      Approximates the linear relationship of data points

    • B. 

      Always has a positive slope

    • C. 

      Must be drawn through the first and last data points

    • D. 

      Is the line that goes through every data point

  • 3. 
    The scatter plot below shows the women's winning marathon times and the high temperatures on the marathons days. Which predication equation best shows how marathon times and temperature are related?
    • A. 

      Y = - (1/8)x + 140

    • B. 

      Y = (1/8)x - 140

    • C. 

      Y = (1/8)x + 140

    • D. 

      Y = 140

  • 4. 
    A best-fit line is drawn on a scatter plot showing the average daily temperature and the number of people at a public swimming pool. The slope of the line would probably be ________________. 
    • A. 

      Zero

    • B. 

      Undefined

    • C. 

      Negative

    • D. 

      Positive

  • 5. 
    The correlation seen in the graph below would best described as:  
    • A. 

      High positive correlation

    • B. 

      Low positive correlation

    • C. 

      High negative correlation

    • D. 

      Low negative correlation

  • 6. 
    For 10 days, Taylor kept a record of the number of hours he spent listening to music. The information is shown in the table below.  Day 1 2 3 4 5 6 7 8 9 10 Hours 9 3 2 6 8 6 10 4 5 2 Which scatter plot shows Taylor's data graphically?
    • A. 
    • B. 
    • C. 
    • D. 
  • 7. 
    A scatterplot is _________________________. 
    • A. 

      A line graphed in a portion of Q1 of the coordinate plane.

    • B. 

      A set of data graphed as ordered pairs in a coordinate plane.

    • C. 

      A table of set data.

    • D. 

      A line graph.

  • 8. 
    The correlation coefficient, r, can take on any value within what range?
    • A. 

      R ≥ 1

    • B. 

      0 ≤ r ≤ 1

    • C. 

      -1 ≤ r

    • D. 

      -1 ≤ r ≤ 1

  • 9. 
    When data is graphed and a positive correlation is observed, the first set is always causing the effect seen in the second set of data. 
    • A. 

      True

    • B. 

      False

  • 10. 
    The population of Redville grew from 5432 in 1990 to 7116 in 2000. Assuming the population is growing exponentially, predict the population of Redville in 2005. 
    • A. 

      About 8290

    • B. 

      About 8360

    • C. 

      About 8140

    • D. 

      About 7960

  • 11. 
    If r = 0, there is a linear correlation.
    • A. 

      True

    • B. 

      False

  • 12. 
    Julie bought a house for $100,000 five years ago. If the value of the house has appreciated 5% per year, how much is it worth now? Round to the nearest tenths. 
    • A. 

      $ 127,628.15

    • B. 

      $ 759,375.00

    • C. 

      $ 127,628.16

    • D. 

      $ 127,268.16

  • 13. 
    After graduation your parents gave you $1,500. You planned on saving $1,000 into a CD. You walked in to a bank the following day and told a banker you would like to have $2,000 after three years. The financial bank said their CD rates changes 1.6% every year and it's average rate is 9.4% and advises you will meet you goal. Do you agree?    
    • A. 

      Yes

    • B. 

      No

    • C. 

      There's not enough information to determine.

  • 14. 
    What is the 50th term of the arithmetic sequence 3, 7, 11, 15, ...
    • A. 

      53

    • B. 

      151

    • C. 

      199

    • D. 

      203

  • 15. 
    A car bought for $13,000 depreciates at 12% per annum. What is its value after 7 years?
    • A. 

      $5463.15

    • B. 

      $5312.78

    • C. 

      $5312.79

    • D. 

      $5546.78

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