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6.1 Relations Date 10/29/18 Pick up Review Packet from back table.
Copy down Essential Question. Work on Warm Up. Essential Question How would you describe a relation? Warm Up: Describe the pattern 1. 2. 3.
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Fill in the chart and graph it.
1 2 3 4 5 Order Pair (1,1) (2,2) (3,3) (4,4) (5,5)
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Fill in the chart and graph it.
2 3 4 5 6 Order Pair (1,2) (2,3) (3,4) (4,5) (5,6)
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Fill in the chart and graph it.
2 4 6 8 10 Order Pair (1,2) (2,4) (3,6) (4,8) (5,10)
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Core Concept A relation pairs inputs with outputs Example Picture Chart Graph Input Output Input Output x= Input y= Output y= Output x= Input
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Each Arrow is one ordered Pair
Core Concept Mapping Diagram Each Arrow is one ordered Pair
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Describe the pattern in the mapping diagram
Describe the pattern in the mapping diagram. Copy and complete the diagram. add 4 16 20 24
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Describe the pattern in the mapping diagram
Describe the pattern in the mapping diagram. Copy and complete the diagram. add 6 20 26 32
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List the ordered pairs shown in the mapping diagram. And Graph them.
Order pair: (0,4) (3,5) (6,6) (9,7)
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List the ordered pairs shown in the mapping diagram. And Graph them.
Order pair: (1,8) (3,8) (3,4) (5,6) (7,2)
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How is a vending machine different than a gumball machine
6.1 Function Date: 10/30/18 1. Copy down the Essential Question (EQ). 2. Work on the Warm-up. Essential Question How is a vending machine different than a gumball machine Warm Up: 1. Explain how a vending machine work. 2. Explain how a gumball
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A function “vending machine” You press A1, you get Doritos
A function “vending machine” You press A1, you get Doritos. You press A1 again , you get Doritos. You press D2, you get M&M. Not a function “ gumball machine” You turn the nob, you get a blue gumball You turn the nob again, you now get a red gumball You turn the nob, you get a yellow gumball.
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A1 Doritos A2 Lays A3 Twix A4 M&M A5 Starburst Nob Blue gumball
A function “vending machine” Not a function “ gumball machine” A1 Doritos A2 Lays A3 Twix A4 M&M A5 Starburst Nob Blue gumball Red Gumball Yellow Gumball Green Gumball
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Core Concept A function is a relationship between input and output. It is a function when there is exactly one output for each input. It is a function when there is exactly one y value for each x value.
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Example of a function For it to be a function, the domain is paired with exactly one in the range.
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Determine if this relation is a function. Explain Answer
Not function function Not function
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function not a function
Core Concept Vertical line test: checks that each x value has exactly one y value. If you draw a line straight down a x value, it should only pass exactly one y value. function not a function Its not a function because, it cross the function multiple time. Aka, the x value has multiple y values.
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Determine whether the relation is a function Explain ( 2-3 sentences)
not a function not a function not a function not a function
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+2 +3 -3 4.2 Slope Date 11/01/18 Copy down Essential Question.
Work on Warm Up. Essential Question How do you find the slope? Warm Up: Describe the pattern 1. 2. 3. +2 X 1 2 3 4 5 Y 6 8 10 +3 X 1 2 3 4 5 Y 8 11 14 17 -3 X 1 2 3 4 5 Y -3 -6 -9 -12 -15
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∆𝒙 𝒎𝒆𝒂𝒏 𝒕𝒉𝒆 𝒄𝒉𝒂𝒏𝒈𝒆 𝒊𝒏 𝒕𝒉𝒆 𝑿 ∆𝒀 𝒎𝒆𝒂𝒏 𝒕𝒉𝒆 𝒄𝒉𝒂𝒏𝒈𝒆 𝒊𝒏 𝒕𝒉𝒆 𝒀
Core Concept ∆𝒙 𝒎𝒆𝒂𝒏 𝒕𝒉𝒆 𝒄𝒉𝒂𝒏𝒈𝒆 𝒊𝒏 𝒕𝒉𝒆 𝑿 ∆𝒙=+1 X 1 2 3 4 5 Y 6 8 10 ∆𝒀=+2 ∆𝒀 𝒎𝒆𝒂𝒏 𝒕𝒉𝒆 𝒄𝒉𝒂𝒏𝒈𝒆 𝒊𝒏 𝒕𝒉𝒆 𝒀
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∆𝒙=+1 ∆𝒀=+3 ∆𝒙=+1 ∆𝒀=−𝟑 Find the ∆𝑦 and ∆𝑥 2. 3. X 1 2 3 4 5 Y 8 11 14
17 ∆𝒀=+3 ∆𝒙=+1 X 1 2 3 4 5 Y -3 -6 -9 -12 -15 ∆𝒀=−𝟑
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Find the ∆𝑦 and ∆𝑥 1. (1,2) (2,4) (3,6) (4,8) (5,10) 2. (1,5) (2,8) (3,11) (4,14) (5,17) 3. (1, -3) (2,-6) (3, -9) (4, -12) (5, -15)
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These 3 are the same thing
X 1 2 3 4 5 Y 6 8 10 Chart Format Order pair Format (1,2) (2,4) (3,6) (4,8) (5,10) Graph Format
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slope = ∆𝒀=+2 ∆𝒙=+1 ∆𝒙=+1 ∆𝒀=+2
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Core Concept Slope: The change in the y divide by the change in the x. Slope: Divide the change in height by the change in the horizontal
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Find the ∆𝑦 and ∆𝑥 then the Slope
∆𝒙=+1 8. 9. m= 𝟐 𝟏 ∆𝒀=+2 ∆𝒙=+4 m= −𝟏 𝟒 ∆𝒀=−1
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Find the ∆𝑦 and ∆𝑥 then the Slope
∆𝒙=+1 m= 𝟕 𝟏 ∆𝒀=+7 ∆𝒙=+1 ∆𝒀=−𝟏𝟓 m= −𝟏𝟓 𝟏
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Core Concept Positive Slope: the line rise from left to right.
Negative Slope: the line fall from left to right.
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Find the slope
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Find the slope of the line
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4.2 Y-intercept Date 11/02/18 Copy down Essential Question.
Work on Warm Up. Essential Question How do you find y-intercept Warm Up: Fill in the missing value using the pattern 1. 2. 3. X -2 -1 1 2 3 4 5 Y 6 8 10 X -2 -1 1 2 3 4 5 Y 8 11 14 17 X -2 -1 1 2 3 4 5 Y -3 -6 -9 -12 -15
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Apply the pattern backward
∆𝒙=+1 X -2 -1 1 2 3 4 5 Y 6 8 10 -4 -2 ∆𝒀=+2
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What is special about these value?
1. 2. 3. X -2 -1 1 2 3 4 5 Y 6 8 10 -4 -2 X -2 -1 1 2 3 4 5 Y 8 11 14 17 -4 -1 2 X -2 -1 1 2 3 4 5 Y -3 -6 -9 -12 -15 6 3
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What is special about these values?
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Core concept Y-intercept = the value of y when the x=0 for a function. Y-intercept= the point where a line or a curve crosses the y-axis of a graph b=1
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Find the y-intercept b=2 b=3 b=-2 b=0
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Find the y-intercept b=5 b=16 b=-10 b=-6.5
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Find the y-intercept b=2 b=8 b=4 b=3
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Find the y-intercept b=-0.5 b=0.5 b=-0.5 b=2
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Find the slope m= 𝟏 𝟐 m= −𝟏 𝟒 m= 𝟐 𝟏 m= −𝟒 𝟑
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Revisit of Core Concept
Slope: The change in the y divide by the change in the x. 𝒚 𝟐 − 𝒚 𝟏 m= 𝒙 𝟐 − 𝒙 𝟏
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Find the slope 𝑚= 𝑦 2 − 𝑦 1 𝑥 2 − 𝑥 1 𝑚= 3−2 3−0 𝑚= 1 3
1 𝑥 1 =0 𝑦 1 =2 𝑥 2 =3 𝑦 2 =3 𝑚= 𝑦 2 − 𝑦 1 𝑥 2 − 𝑥 1 𝑚= 3−2 3−0 𝑚= 1 3
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Find the slope m= −𝟔 −𝟐 = 𝟑 𝟏 m= 𝟓 𝟏 m= −𝟑 𝟏 m= 𝟑 𝟐
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Find the Slope m= 𝟒 𝟑 m= 𝟒 −𝟑 m= 𝟐 −𝟓 m= −𝟑 𝟖
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Find the y-intercept m= 𝟏 𝟒 m= 𝟒 𝟑 m= −𝟐 𝟒 no slope
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