Points on a Graph
Word Problems
Functions
More Functions
100
What are the coordinates of this point on the graph?

(Ms. Holstine will draw)

(4,2)
100
Let x represent the number of pets sold in a store.  Let y represent the total money the store makes.  If a store charges $5 per pet, write an equation to relate the number of pets they sell to the total money the store makes.
5x = y
100

What is the pattern?

Input / Output

  1          4

  3          6

  5          8

+3
100
Write the function using two variables.

Input / Output

 6         10

 8         12

 10       14

x + 4 = y
200
What are the coordinates for following point on the graph?

(Ms. Holstine will draw.)

( 20, 40 )
200
Write a formula to represent the total money in your bank account if you start with $40 and add to it.  Let x represent the amount of money you deposit.  Let y represent the total amount of money in your account.
40 + x = y
200
What is the pattern?

Input / Output

  2          4

  4          8

  6          12

x2
200

Write the function using two variables.

Input / Output

4          20

5          25

6          30

5x = y
300
What are the coordinates for this point on the graph?

(Ms. Holstine will draw.)

(100,300)
300
Write an equation to represent the relationship between x, the amount of dolphins that are added to the aquarium, and y, the total amount of water needed for the tank.  There is already 500 gallons of water in the tank.  Each dolphin needs 50 gallons of water. 
500 + 50x = y
300
What is the pattern?

Input / Output

  10       20

  20       30

  30       40

+10
300

Write the function using two variables.

Input / Output

40         20

20         10

10         5

x / 2 = y
400
What are the coordinates for the following point on the graph?

(Ms. Holstine will draw.)

(4,7)
400
Write your own word problem for the following equation: x + 3 = y
Your own answer
400
What is the pattern?

Input / Output

  15        5

  12        4

  9          3

divided by 3
400

Write the function using two variables.

Input / Output

4           6

5           5

7           3

x + y = 10
500
What are the coordinates for the following point on the graph?

(Ms. Holstine will draw.)

(20,15)
500
Write your own word problem for the following equation: 4x = y
Your own answer
500
What is the pattern?

Input / Output

35         25

45         35

55         45

- 10
500

Write the function using two variables.

Input / Output

1            16

2            8

4            4

xy = 16
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