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Private Library
Algebra 1 6-3 Solving Systems Using Elimination
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4.5 (1 rating)
by Matthew Richardson
| 28 Questions
Note from the author:
A complete formative lesson with embedded slideshow, mini lecture screencasts, checks for understanding, practice items, mixed review, and reflection. I create these assignments to supplement each lesson of Pearson's Common Core Edition Algebra 1, Algebra 2, and Geometry courses. See also mathquest.net and twitter.com/mathquestEDU.
The outlined content above was added from outside of Formative.
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1
10 pts
Solve It! A cafeteria sells fresh fruit by weight. All apples weigh the same, and all oranges weigh the same. What is the weight of an apple? Enter your response using the same format shown on the scales, with a space between the measurement and oz.
2
10 pts
Solve It! In this same scenario, what is the weight of an orange? Enter your response using the same format shown on the scales, with a space between the measurement and oz.
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3
10 pts
Problem 1 Got It?
A
B
C
D
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4
10 pts
Problem 1 Got It?
A
B
C
D
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5
10 pts
Problem 2 Got It?
A
B
C
D
7
10 pts
Problem 3 Got It? Revise and solve the system using elimination. Show your work on the canvas.

8
5 pts
Problem 3 Got It? Is the solution of the revised system also the solution of the original system? If not, consider checking your work.
Yes, the solution applies to both systems.
No, the solution only applies to the revised system.
9
10 pts
Problem 4 Got It? How can you use the Multiplication Property of Equality to change an equation in the system below in order to solve it using elimination?

10
10 pts
Problem 4 Got It? Revise and solve the system using elimination. Show your work on the canvas.

11
5 pts
Problem 4 Got It? Is the solution of the revised system also the solution of the original system? If not, consider checking your work.
Yes, the solution applies to both systems.
No, the solution only applies to the revised system.
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12
10 pts
Problem 5 Got It?
A
B
C
Please follow the directions to solve each system using elimination before checking your work by graphing using the embedded Desmos graphing calculator below.
The outlined content above was added from outside of Formative.
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13
10 pts
A
B
C
D
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14
10 pts
A
B
C
D
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15
10 pts
A
B
C
D
16
10 pts
Vocabulary: If you add two equations in two variables and the sum is an equation in one variable, what method are you using to solve the system? Explain.
17
10 pts
Reasoning: Explain how the Addition Property of Equality allows you to add equations.
18
10 pts
Writing: Explain how you would solve a system of equations using elimination.
19
10 pts
Review Lesson 6-2: Solve the system using substitution.

(-1, 16)
(10, 5)
(7, 3.5)
(3, 2)
20
10 pts
Review Lesson 6-2: Solve the system using substitution.
Enter your response in this format: (5, 3)
21
10 pts
Review Lesson 3-4: Solve the inequality. Show your work on the canvas.

22
10 pts
Review Lesson 3-4: Solve the inequality. Show your work on the canvas.

23
10 pts
Review Lesson 2-4: Two trains run on two sets of parallel tracks. The first train leaves a city 1/2 h before the second train. The first train travels at 55 mi/h. The second train travels at 65 mi/h. How long does it take for the second train to pass the first train? Round your answer to the nearest whole hour and enter only a number.
24
5 pts
Vocabulary Review: Which of the following does NOT describe a formula?
a rule or principle
a constant
a fixed method for doing something
a recipe or prescription
25
5 pts
Use Your Vocabulary: Complete the sentence with the word elimination or one of its other word forms. Enter only 1 word as your response.

The city council will not __?__ funding for the public library.

26
5 pts
Use Your Vocabulary: Complete the sentence with the word elimination or one of its other word forms. Enter only 1 word as your response.

The __?__ of the dance portion of the contest was disappointing.

27
5 pts
Use Your Vocabulary: Complete the sentence with the word elimination or one of its other word forms. Enter only 1 word as your response.

The new floor cleaner is great for __?__ dirt.

28
10 pts
Reflection: Math Success