MULTIPLE CHOICE: Select the best answer for each question. Write the letter ef yger eheiee next IQ the prehlem numbel; in the margin. {1 point each] 1. A function is a realistic model when the rate of change is constant. a. linear b. quadratic c. exponential d. trinomial 2. Slope is a ratio ofthe total change in the to the total change in the input. a. output b. steepness 0. input d. rate 3. A graph is used to show how often a category occurs in a data set. a. scatterplot b. line c. bar d. histogram 4. A table that can be used to present numerical or categorical data is called a frequency a. guide b. map c. distribution d. relative 5. Identify the greatest common factor of the expression 5x2 + 253:. a. 5 b. 25:: c. 5x d. 5::2 6. Solve (x + 2)(x 5) = U. a. x = 2. 5 b. x = 2,5 c. x = 2,5 d. x = 10 7. What is the slope-intercept equation? a. yzmx+b b. Ax+By2C c.mxy=b d.x=3 8. A diagram is a useful tool to help visual and enumerate the sample space for an experiment. a. dice b. tree c. hat d. coin 9. The probability of an event that can never happen is 7 a. one b. zero c. half d. 0.25 10. A set is a collection of objects called a. empty b. elements 0. event d. null 11. When two or more numbers are . each number is called a[n) factor. a. sum b. terms 0. subtracted d. multiplied 12. A median is used when a data set contains (unusually high or low values). a. means b. outliers c. dispersion d. placement FILL IN THE BLANK: Fill in the blank with the correct word, phrase, or value. [2pointsnach] 13. A captures the trend that is displayed in the data. 14. A trendline is used to make predictions related to the 15. In statistics, a measure of 16. An empty set contains elements. is used to describe the middle of the data set. . This is also known as a forecast