Caitlin works part-time at the mall
Name _______________________________________ Date_______________Hour_________Score__________
Math 7 Plus-Blasi
LESSON
3-5
Equations, Tables, and Graphs
1. The amount of water in a tank being filled is represented by the equation g 20m, where g is the number of gallons in the tank after m minutes. Complete the table and sketch a graph of the equation. m
20m
g
0 1 2 3 4 2. Use the table to make a graph and to write an equation. x
0
2
5
8
12
y
4
6
9
12
16
3. Use the graph to make a table and to write an equation.
x y
Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor.
44
Holt McDougal Mathematics
Name _______________________________________ Date __________________ Class __________________
LESSON
3-5
Problem Solving Equations, Tables, and Graphs
Use the graph to answer Exercises 1–4. An aquarium tank is being drained. The graph shows the number of gallons of water, q, in the tank after m minutes. Write the correct answer. 1. How many gallons of water are in the tank before it is drained? _______________________________________
2. How many gallons of water are left in the tank after 2 minutes? _______________________________________
3. How long does it take until there are 10 gallons of water left in the tank?
4. How long does it take to drain the tank?
_______________________________________
________________________________________
Use the graph to answer Exercises 5–7. The graph shows the distance, d, a hiker can hike in h hours. Choose the letter of the best answer. 5. How far can the hiker hike in 4 hours?
1 mi 3 B 4 mi A 1
C 8 mi D 12 mi
6. How long does it take the hiker to hike 6 miles? F 2h
H 4h
G 3h
J 18 h
7. Which equation represents the graph? A d 3h B d
1 h 3
C dh3 D dh3
Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor.
23
Holt McDougal Mathematics
Math 7 Plus-Blasi
LESSON
3-5
Equations, Tables, and Graphs
1. The amount of water in a tank being filled is represented by the equation g 20m, where g is the number of gallons in the tank after m minutes. Complete the table and sketch a graph of the equation. m
20m
g
0 1 2 3 4 2. Use the table to make a graph and to write an equation. x
0
2
5
8
12
y
4
6
9
12
16
3. Use the graph to make a table and to write an equation.
x y
Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor.
44
Holt McDougal Mathematics
Name _______________________________________ Date __________________ Class __________________
LESSON
3-5
Problem Solving Equations, Tables, and Graphs
Use the graph to answer Exercises 1–4. An aquarium tank is being drained. The graph shows the number of gallons of water, q, in the tank after m minutes. Write the correct answer. 1. How many gallons of water are in the tank before it is drained? _______________________________________
2. How many gallons of water are left in the tank after 2 minutes? _______________________________________
3. How long does it take until there are 10 gallons of water left in the tank?
4. How long does it take to drain the tank?
_______________________________________
________________________________________
Use the graph to answer Exercises 5–7. The graph shows the distance, d, a hiker can hike in h hours. Choose the letter of the best answer. 5. How far can the hiker hike in 4 hours?
1 mi 3 B 4 mi A 1
C 8 mi D 12 mi
6. How long does it take the hiker to hike 6 miles? F 2h
H 4h
G 3h
J 18 h
7. Which equation represents the graph? A d 3h B d
1 h 3
C dh3 D dh3
Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor.
23
Holt McDougal Mathematics
