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(1,6) (3,-2) WEEK 25 Thursday, Feb 13,2014. Find your test key under Week 25 (ALG10.0_testkey). Show your work on a half piece of paper. 10 Mins.

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Presentation on theme: "(1,6) (3,-2) WEEK 25 Thursday, Feb 13,2014. Find your test key under Week 25 (ALG10.0_testkey). Show your work on a half piece of paper. 10 Mins."— Presentation transcript:

1 (1,6) (3,-2) WEEK 25 Thursday, Feb 13,2014

2 Find your test key under Week 25 (ALG10.0_testkey). Show your work on a half piece of paper. 10 Mins

3 Algebra1- 6.0: Students graph a linear equation and compute the x- and y- intercepts (e.g., graph 2x + 6y = 4).

4 Huskies will be able to identify the x and y intercept from standard form.

5 Ax + By = C

6

7 Graph 4x – 2y = 12

8 4x – 2y = 12

9 Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x

10 Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12

11 Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2

12 Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2 y = 2x - 6

13 Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2 y = 2x - 6

14 Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2 y = 2x - 6

15 Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2 y = 2x - 6

16 Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2 y = 2x - 6

17 Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2 y = 2x - 6

18 Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2 y = 2x - 6

19 Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2 y = 2x - 6

20 Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2 y = 2x - 6 Where does the line cross the y- axis?

21 Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2 y = 2x - 6 Where does the line cross the y- axis?

22 Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2 y = 2x - 6 Where does the line cross the y- axis? (0, -6)

23 Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2 y = 2x - 6 Where does the line cross the y- axis? (0, -6) What is the value of x when it crosses the y- axis?

24 Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2 y = 2x - 6 Where does the line cross the y- axis? (0, -6) What is the value of x when it crosses the y- axis? x = 0

25 Graph 4x – 2y = 12 Where does the line cross the x- axis?

26 Graph 4x – 2y = 12 Where does the line cross the x- axis? (3,0)

27 Graph 4x – 2y = 12 Where does the line cross the x- axis? (3,0) What is the value of y when it crosses the x- axis?

28 Graph 4x – 2y = 12 Where does the line cross the x- axis? (3,0) What is the value of y when it crosses the x- axis? y = 0

29 Find the x & y-intercepts of 4x – 2y = 12

30 x = 0 y = 0 y-intercept x-intercept

31 Find the x & y-intercepts of 4x – 2y = 12 x = 0 y = 0 y-intercept x-intercept 4(0) – 2y = 12

32 Find the x & y-intercepts of 4x – 2y = 12 x = 0 y = 0 y-intercept x-intercept 4(0) – 2y = 12 -2y = 12

33 Find the x & y-intercepts of 4x – 2y = 12 x = 0 y = 0 y-intercept x-intercept 4(0) – 2y = 12 -2y = 12 y = -6

34 Find the x & y-intercepts of 4x – 2y = 12 x = 0 y = 0 y-intercept x-intercept 4(0) – 2y = 12 -2y = 12 y = -6

35 Find the x & y-intercepts of 4x – 2y = 12 x = 0 y = 0 y-intercept x-intercept 4(0) – 2y = 12 -2y = 12 y = -6 4x – 2(0) = 12

36 Find the x & y-intercepts of 4x – 2y = 12 x = 0 y = 0 y-intercept x-intercept 4(0) – 2y = 12 -2y = 12 y = -6 4x – 2(0) = 12 4x = 12

37 Find the x & y-intercepts of 4x – 2y = 12 x = 0 y = 0 y-intercept x-intercept 4(0) – 2y = 12 -2y = 12 y = -6 4x – 2(0) = 12 4x = 12 x = 3

38 Find the x & y-intercepts of 4x – 2y = 12 x = 0 y = 0 y-intercept x-intercept 4(0) – 2y = 12 -2y = 12 y = -6 4x – 2(0) = 12 4x = 12 x = 3

39 Find the x & y-intercepts of 4x – 2y = 12 y-intercept x-intercept

40 Find the x & y-intercepts of 4x – 2y = 12 y-intercept x-intercept

41 Find the x & y-intercepts of 3x + 6y = 24 and then graph the line.

42 x = 0 y-intercept 3(0) + 6y = 24 6y = 24 y = 4 y = 0 x-intercept 3x + 6(0) = 24 3x = 24 x = 8 (0, 4) (8,0)

43 y = 2x + 3 y = 2x - 5

44 y = 2x + 5 y = 2x + 1 Coplanar lines that never intersect. Parallel (//) lines have the slope.

45 What is the slope of the line // to y = -3x + 5?

46 m // = -3

47 What is the slope of the line // to y = -3x + 5? m // = -3 What is the slope of the line // to x – 2y = 4?

48 What is the slope of the line // to y = -3x + 5? m // = -3 What is the slope of the line // to x – 2y = 4? y = x – 2

49 What is the slope of the line // to y = -3x + 5? m // = -3 What is the slope of the line // to x – 2y = 4? y = x – 2 m // =

50 Are the lines y = x + 6 and 2x – 6y = 30 //?

51 -6y = -2x + 30

52 Are the lines y = x + 6 and 2x – 6y = 30 //? -6y = -2x + 30 y = x - 5

53 Are the lines y = x + 6 and 2x – 6y = 30 //? -6y = -2x + 30 y = x - 5 y = x + 6

54 Are the lines y = x + 6 and 2x – 6y = 30 //? -6y = -2x + 30 y = x - 5 y = x + 6

55 Station Overview ≈ 20 mins Collaborative Station- HOMEWORK TIME!!! (if you finish the worksheet…move on to the extra worksheet practice Direct Station-Practice Problems with Ms. Ahumibe

56 Prior Knowledge Box (PKB) Topic: GraphsMisconceptions What did you think you knew but you found out was a misconception? If you didn’t have any prior knowledge, what did you learn/ review today?

57 Exit Slip- Intercepts and // lines Name Date Period Find your key under week 25 AlG6and8_test key

58 Agenda Homework- Did you hear about…(worksheet) Bring a white board marker (DUE: P.1,3,5- Mondays and Thursday. P.2,4,6- Tuesdays and Fridays)


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