2. MR. ZAMORA’S MATHEMATIC EDITION GEOLLIONAIREGEOLLIONAIRE ROUND THREE

3. ALGEBRA Rate of Change & Slope Review _________________________ _____________________ ___________________ __________________ _________________ ______________ Click the appropriate dollar amount at right to proceed to the question

4. Phone A Friend “OK Contestant…Please select a friend to help you with this one. You have thirty seconds to discuss your options…” Return to the Question

5. Ask the Audience “Audience, we need your help on this one…in a moment, we’ll ask you to indicate, by show of hands, your choice for the correct answer…” Return to the Question

6. Fifty - Fifty You’ve asked that two of the wrong answers be eliminated, leaving you with one wrong answer plus the correct one. 50/50 Return to the Question

7. Correct Correct! Proceed to Next Question

8. Incorrect Sorry, That’s Incorrect Return to the Question

9. Rate of change The rise of the line The run of a line Slope A CD B 50/50 In mathematics, you can measure the steepness of a line using a ratio by what definition.

10. Rise / Run What is the formula for the rate of change? Change in x / change in y Run / Rise Change in y / change in x A CD B 50/50

11. Template by Bill Arcuri, WCSD 4 / 1 2 / 8 None of the above 1 / 4 50/50 A CD B What is the rate of change for the following table? Time Walking (s)Distance Walked (ft) 14 28 312

12. X / Y The slope of a line is the ratio of the change in the y-coordinates to the change in the x- coordinates, what does this formula look like? Rise / RunY / X Run / Rise A CD B 50/50

13. Y2 – y1 / X2 – x1 If I had to find the slope and only received two of its points how can I begin to solve this equation? Run / Rise You can’t you need more points! Graph the points and perform the rate of change A CD B 50/50

14. Defined Name one of the two slopes we are missing? Coordinate Slope Undefined Slope Infinite Slope A CD B 50/50 ? ?

15. Very steep We now know that the steepness of a line is slope; in the picture the roller coaster is… A undefined slope A zero slope Not steep A CD B 50/50

16. Find the slope of the line that passes through (-1, 2) and (3, 4). 2 / 6 A 3 / 8 C 2 / 4 D 3 / 2 B 50/50

17. Diagonal line An undefined slope looks like what on a graph? Horizontal line None of the above Vertical line A CD B 50/50

18. Rate of Change Walt Disney World’s Magic Kingdom is the most visited theme park in the United States. An estimated 15 million people pass through its gates each year. What works best to figure out its trends to make new rides and its projections for future years? Independent quantities Ask Mickey and Minnie Mouse Slope A CD B 50/50

19. 4 If y = mx + b, and m = slope. What is the following slope for y = 3 + 4x 21 3 A CD B 50/50

20. 0 Find the slope of the line that passes through (-1, -2) and (-4, 1) and the slope of another line (1, 2) and (-1, 2). Then multiply the two separate answers to get the solution… 3-3 A CD B 50/50

21. Which of the following is not belonging to the slope vernacular? 1) A landscape, or surface, that is tilted or inclined. 2) A measure of change in surface value over distance, expressed in degrees or as a percentage. 3) The bottom area from the edge of the outer shelf down to the ocean floor, below approximately 200 m. 4) A sailing vessel with a single mast set about one third of the boat's length aft of the bow. 4 A CD B 50/50 3 1 2

22. Czech Republic In what region of Central Europe is this a warning traffic sign for slope? PolandGermany Slovenia A CD B 50/50

23. Sir Isaac Newton Which mathematician created the formula for finding the slope of a line in the early 1600s, using slope-intercept to make a grid. Pierre FermatAlbert Einstein Rene Descartes A CD B 50/50

24. Template by Bill Arcuri, WCSD MR. ZAMORA’S MATHEMATIC EDITION CORRECT!