Constant of Proportionality

Constants in Graphs

100

What is the constant of proportionality:

 X = 6 hours       Y = 36 miles

6 

200

**BONUS QUESTION** What is the constant of proportionality: 

 X= 28 apples Y= $7.00

$0.25

300

What is the constant of proportionality: 

X = 3 gallons Y = 24 miles

8

400

What is the constant of proportionality: 

X = 4 scoops of coffee Y = 12 cups

3

500

What is the constant of proportionality: 

X = 2 eggs  Y = 1 cup of shredded cheese

1/2

Constants in Tables

100

**BONUS QUESTION** Which table has a proportional relationship? What is the constant of proportionality? 

Table #1                     Table #2

X       Y                        X       Y

1      13                      3      36

2     24                       4      48

3     15                       6      72

Table #2 

K=12

200

Find the constant of proportionality:

 X                Y

 2            1 1/2

 3             2 1/4

  4               3

3/4

300

What is the constant of proportionality: 

X        Y

0        0

1       10

2        20

3        30

6        60

K=10

400

Find the constant of proportionality:

 X:   1     2    3    4 

 Y:    2     4    6    8

k=2

500

Find the constant of proportionality: 

X--    5       7       9

Y--    85    119    153

k=17

Constants in Equations

100

What is the constant of proportionality:

 5 = 15 / 3

5

200

What is the constant of proportionality: 

10x = y

10

300

What is the constant of proportionality 

y = 15x

15

400

What is the constant of proportionality

 y / x = 30

30

500

**BONUS QUESTION** What is the constant of proportionality: 

50x = 167

50

Unit 1 Review

100

Solve:

-13+2

-11

200

Solve:

9-15

-6

300

Convert the mixed number to an improper fractions:

3 1/2

7/2

400

Convert to improper fractions to a mixed number:

16/3

5 1/3

500

-10 - 7 + 4 =

-13