1. Unit Three Review

2. PLEASE PARDON THE MISSPELLINGS!

3. Review 1 Draw a Cartesian Coordinate System and label all of the important parts.

4. Review 2 Name a point that is in each of the following quadrants. Quadrant I Quadrant II Quadrant III Quadrant IV

5. Review 3 When you add the x-coordinate and y-coordinate of any ordered pair in the second quadrant, the answer is _______________ positive. Fill in each blank with sometimes/always/never. Be prepared to support your answer. When you multiply the x-coordinate and y-coordinate of any ordered pair in the second quadrant, the answer is _______________ positive.

6. Review 4 What is a function? What are the four ways of representing a function?

7. Review 5 Write a possible equation that represents each of the following types of functions. Quadratic Exponential Linear

8. Review 6 What do the graphs of each of the following types of functions look like? QuadraticExponentialLinear

9. Review 7 In a function, how can you tell which quantity is the input and which quantity is the output? Determine the input and output for the following quantities: The velocity with which a ball is thrown and the distance that the ball travels.

10. Review 8 What is the equation of the line with a slope of –2/3 and a y-intercept of –2?

11. Review 9 Write the equation of this line.

12. Review 10 Graph the following line.

13. Review 11 Find the equation of the line represented by the following table. xy -8 -4-7 0-6 4-5 8-4

14. Review 12 3y +4x = 9 Graph the following line.

15. Review 13 Find the equation of a line that has a slope of 0 and contains the point (-3,7).

16. Review 14 Write the equation of the line that is represented by the following table. xy 8-2 81 84 87 810

17. Review 15 Write the equation of the line that is represented by the following table. xy -5-2 1 34 77 1110

18. Review 16 Write the equation of this line.

19. Review 17 Write the equation of these lines: The line with a slope of -3/5 and containing the point (7, 3). The line through the points (4, 2) and (-7, -2).

20. Review 18 Sandwich Total Fat (g) Total Calorie s Hamburger9260 Cheeseburger13320 Quarter Pounder21420 Quarter Pounder with Cheese30530 Big Mac31560 Arch Sandwich Special31550 Arch Special with Bacon34590 Crispy Chicken25500 Fish Fillet28560 Grilled Chicken20440 Grilled Chicken Light5300 1.Make a scatter-plot of the data. 2.Find the equation of the line of best fit. 3.What is the slope and what does it mean in “real world” terms? 4.What is the y-intercept and what does it mean in “real world” terms? 5.How many calories would a sandwich with 40 grams of fat probably have? 6.How many grams of fat would a 900 calories sandwich probably have?