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(1,6) (3,-2) WEEK 25 Thursday, Feb 13,2014
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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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Algebra1- 6.0: Students graph a linear equation and compute the x- and y- intercepts (e.g., graph 2x + 6y = 4).
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Huskies will be able to identify the x and y intercept from standard form.
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Ax + By = C
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Graph 4x – 2y = 12
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4x – 2y = 12
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Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x
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Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12
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Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2
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Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2 y = 2x - 6
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Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2 y = 2x - 6
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Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2 y = 2x - 6
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Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2 y = 2x - 6
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Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2 y = 2x - 6
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Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2 y = 2x - 6
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Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2 y = 2x - 6
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Graph 4x – 2y = 12 4x – 2y = 12 -4x –4x –2y = -4x + 12 -2 –2 -2 y = 2x - 6
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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?
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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?
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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)
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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?
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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
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Graph 4x – 2y = 12 Where does the line cross the x- axis?
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Graph 4x – 2y = 12 Where does the line cross the x- axis? (3,0)
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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?
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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
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Find the x & y-intercepts of 4x – 2y = 12
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x = 0 y = 0 y-intercept x-intercept
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Find the x & y-intercepts of 4x – 2y = 12 x = 0 y = 0 y-intercept x-intercept 4(0) – 2y = 12
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Find the x & y-intercepts of 4x – 2y = 12 x = 0 y = 0 y-intercept x-intercept 4(0) – 2y = 12 -2y = 12
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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
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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
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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
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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
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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
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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
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Find the x & y-intercepts of 4x – 2y = 12 y-intercept x-intercept
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Find the x & y-intercepts of 4x – 2y = 12 y-intercept x-intercept
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Find the x & y-intercepts of 3x + 6y = 24 and then graph the line.
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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)
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y = 2x + 3 y = 2x - 5
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y = 2x + 5 y = 2x + 1 Coplanar lines that never intersect. Parallel (//) lines have the slope.
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What is the slope of the line // to y = -3x + 5?
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m // = -3
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What is the slope of the line // to y = -3x + 5? m // = -3 What is the slope of the line // to x – 2y = 4?
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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
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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 // =
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Are the lines y = x + 6 and 2x – 6y = 30 //?
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-6y = -2x + 30
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Are the lines y = x + 6 and 2x – 6y = 30 //? -6y = -2x + 30 y = x - 5
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Are the lines y = x + 6 and 2x – 6y = 30 //? -6y = -2x + 30 y = x - 5 y = x + 6
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Are the lines y = x + 6 and 2x – 6y = 30 //? -6y = -2x + 30 y = x - 5 y = x + 6
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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
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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?
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Exit Slip- Intercepts and // lines Name Date Period Find your key under week 25 AlG6and8_test key
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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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