bell ringer – make a table & equation mrs. flook puts a pot of 68° water on the stove. she...
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Bell Ringer – Make a table & equation•Mrs. Flook puts a pot of 68° water on the stove. She notices every 2 minutes the temperature increases 19°. Number of minutes, m, and temperature, t, form a linear relationship.
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Bell Ringer – Make a table & equationMrs. Flook puts a pot of 68° water on the stove. She notices every 2 minutes the temperature increases 19°. Number of minutes, m, and temperature, t, form a linear relationship.
m t0 682 874 1066 125
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Bell Ringer – Make a table & equationMrs. Flook puts a pot of 68° water on the stove. She notices every 2 minutes the temperature increases 19°. Number of minutes, m, and temperature, t, form a linear relationship.
t = 9.5m + 68
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How can you create and interpret graphs, tables, and equations of a linear function?Part 2 Interpret
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Today we are going to read linear functions for information
Before we do that, get out your notes from yesterday.Tell your High Five partner how to create a table, graph, and equation from a linear function.
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Deb is a hairdresser who rents a station in a salon for a daily fee. The amount of money, m, Deb makes depends on the number of haircuts, n, is described by the linear function m = 45n – 30 .
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Multiple Choice
Deb is a hairdresser who rents a station in a salon for a daily fee. The amount of money, m, Deb makes depends on the number of haircuts, n, is described by the linear function m = 45n – 30 .
A A haircut costs $30 and the station
rent is $45.
B A haircut costs $45 and the station
rent is $30.
C Deb must do 30 haircuts to pay the $45 rental fee
D Deb deducts $30 from each $45 haircut for the station rent.
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Deb is a hairdresser who rents a station in a salon for a daily fee. The amount of money, m, Deb makes depends on the number of haircuts, n, is described by the linear function m = 45n – 30 .
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Multiple Choice
Deb is a hairdresser who rents a station in a salon for a daily fee. The amount of money, m, Deb makes depends on the number of haircuts, n, is described by the linear function m = 45n – 30 .
A If Deb does 4 haircuts, she’ll make $180.
B If Deb does 4 haircuts, she’ll make $60.
C If Deb does 4 haircuts, she’ll make $40.
D If Deb does 4 haircuts, she’ll make $150.
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An ice cream stand sells cones and sundaes. The equation 34 = 2c + 4s represents the relationship of buying c number of cones and s number of sundaes.
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Multiple Choice
An ice cream stand sells cones and sundaes. The equation 34 = 2c + 4s represents the relationship of buying c number of cones and s number of sundaes.
A 34 people bought ice cream.
B $2 is the cost of 1 sundae and $4 is the cost of 1 cone.
C $2 is the cost of 1 cone and $4 is the cost of 1 sundae
D 2 people bought cones and 4 people bought sundaes.
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An ice cream stand sells cones and sundaes. The equation 34 = 2c + 4s represents the relationship of buying c number of cones and s number of sundaes. (7, 5) is a solution to this equation.
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Multiple ChoiceAn ice cream stand sells cones and sundaes. The equation 34 = 2c + 4s represents the relationship of buying c number of cones and s number of sundaes. (7, 5) is a solution to this equation.
A 7 cones and 5 sundaes were
sold
B 14 cones and 20 sundaes were
sold
C 2 cones & 4 sundaes were
sold
D 9 cones and 9 sundaes were
sold
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Jacob got money for his birthday. He also is saving $7 per week. The equation y = 7x + 50 describes the linear relationship.
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Multiple Choice
Jacob got money for his birthday. He also is saving $7 per week. The equation y = 7x + 50 describes the linear relationship.
A You can’t tell how much Jacob got for his birthday
B Jacob got $7 for his birthday
C Jacob got $57 for his birthday
D Jacob got $50 for his birthday
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Jacob got money for his birthday. He also is saving $7 per week. The equation y = 7x + 50 describes the linear relationship.
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Multiple ChoiceJacob got money for his birthday. He also is saving $7 per week. The equation y = 7x + 50 describes the linear relationship.
A B C
x y0 71 572 107
x y0 01 572 114
x y0 501 572 64
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The equation y = -10x + 30
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Multiple Choice
The equation y = -10x + 30
Which is of the following is true?
A (-10, 30) is a solution to the equation.
B This equation has a y-intercept at y =
-10 and a slope of 30.
C This equation has a slope of -10 and a y-intercept at y = 30.
D -10 is the independent variable and 30 is the dependent variable.
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The equation y = -10x + 30
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Multiple ChoiceThe equation y = -10x + 30
A B C
0 1 2 3 40
5
10
15
20
25
30
35
0 2 405
1015202530354045
0 0.5 1 1.5 2 2.50
5
10
15
20
25
30
35