Writing and Graphing Equations in Two Variables Answers
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1
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Which graph shows the equation V = 4 + 2t, where V is the total volume of water in a bucket and t is the elapsed time in minutes?
A
On a coordinate plane, the x-axis shows elapsed time in minutes (t) and the y-axis shows total volume of water (V). A straight line with a positive slope begins at point (0, 3) and ends at point (5.5, 24).
B
On a coordinate plane, the x-axis shows elapsed time in minutes (t) and the y-axis shows total volume of water (V). Solid circles are at points (0, 3), (1, 6), (2, 10), (3, 14), (4, 18), (5, 22).
C
On a coordinate plane, the x-axis shows elapsed time in minutes (t) and the y-axis shows total volume of water (V). A straight line with a positive slope begins at point (0, 4) and ends at point (6, 16).
D
On a coordinate plane, the x-axis shows elapsed time in minutes (t) and the y-axis shows total volume of water (V). Solid circles are at points (0, 4), (1, 6), (2, 8), (3, 10), (4, 12), (5, 14), (6, 16).
2
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Which description is represented by a discrete graph?
A
Kiley bought a platter for $19 and several matching bowls that were $8 each. What is the total cost before tax?B
The temperature at 9 a.m. was 83° F and is heating up at an average rate of 6°F per hour. What is the temperature x hours later?C
Juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. What is the total amount of calories he consumed?D
A bottle contained 2,000 mL of liquid and is being poured out at an average rate of 300 mL per second. How much liquid is left in the bottle after x seconds?3
Mr. Hann is trying to decide how many new copies of a book to order for his students. Each book weighs 6 ounces.
A
Option
B
Option
C
Option
D
Option
4
The graph shows the relationship between the number of hours that Michelle has been driving and the distance that she has left to travel to get to her destination.
A
It took Michelle 6 hours to complete the trip.B
For each hour that Michelle drove, she traveled an additional 50 miles.C
In the first 6 hours, Michelle had traveled a total of 50 miles.D
In the first 3 hours, Michelle had traveled a total of 200 miles.Did you find these answers helpful?
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