1. Domain x Range y Domain x Range y Domain x Range y 0 1 2 3 n 6 7 8 9 1n + 6 1234n1234n 3 7 11 15 4n - 1 0123n0123n 5 7 9 11 2n + 5 PW page 14 questions 9-11

4. 2 4 2 4 -2 -4 -2-4 x y X Y 4 1 8 2 2 3 Yes it is a function, the red doesn’t pass through 2 pts. during the vertical line test. Domain Range 6 8 -6 -8 -6-8 68 Input Output

5. x y X Y 2 2 2 4 3 6 4 8 Not a function, the red line passes through 2 points during the vertical line test. 2 4 2 4 -2 -4 -2-4 6 8 -6 -8 -6-8 68 Domain Range Input Output

7. Open PW to page 11 and complete problems 3, 4, and 5

11. One of four parts into which the axes divide a coordinate plane. is an ordered pair (x,y) that produces a true statement when substituted a set of points that represent all solutions of an equation is a line graph Ax + By = C A & B cannot be zero A linear equation Ax + By = C, where the graph is not a vertical line

12. -x + 4 b = m = To solve for y, simply subtract the x from both sides Always write slope as a fraction Option 1 Slope-Intercept Form

14. Domain x Range y 0 4 4 0 Find the value when x is zero then find the value when y is zero Option 2 Standard Form

16. Domain x Range y

20. x y

21. x y

22. x y

23. x y

24. x y

25. x y

26. LESSON 3-1 2 4 2 4 -2 -4 -2-4 x y A B C Write the coordinates of each point. 1. A 2. B 3. C Evaluate 4. 5. (-1,4) FOR 1 7 (4,2) (-3,-2)

27. 2 4 2 4 -2 -4 -2-4 x y 3-1 Equations with Two Variables #7 X Y 2 3 0 4 4 2 Negative slope

28. 2 4 2 4 -2 -4 -2-4 x y 3-1 Equations with Two Variables #8 X Y # 4 # 4 # 4 The answer to this question is everywhere Y is 4 Slope of zero

29. 2 4 2 4 -2 -4 -2-4 x y 3-1 Equations with Two Variables #9 X Y 3 0 0 -2 -3 -4 Positive slope

30. 2 4 2 4 -2 -4 -2-4 x y 3-1 Equations with Two Variables #10 X Y 1 -2 0 0 4 Negative slope HELP!

31. 3-1 Equations with Two Variables X Y 0 4 6 3 4 0 11. 12. 13. NO YES

32. 3-1 Equations with Two Variables X Y -3 2 -10 -2 5 4 14. 15. 16. NO YES