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.

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

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

How can you create and interpret graphs, tables, and equations of a linear function?Part 2 Interpret

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.

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 .

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.

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 .

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.

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.

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.

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.

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

Jacob got money for his birthday. He also is saving $7 per week. The equation y = 7x + 50 describes the linear relationship.

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

Jacob got money for his birthday. He also is saving $7 per week. The equation y = 7x + 50 describes the linear relationship.

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

The equation y = -10x + 30

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.

The equation y = -10x + 30

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