How to use elimination to solve a word problem

Interactive Video
•
Mathematics
•
11th Grade - University
•
Hard
Wayground Content
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving a word problem according to the video?
Guess the answer
Define the variables
Write the final answer
Ignore the question
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many more countries speak English as a first language compared to Farsi?
100
130
78
50
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What operation is suggested when the problem states 'together'?
Multiplication
Subtraction
Addition
Division
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equation formed to represent the total number of countries speaking English and Farsi?
X / Y = 130
X - Y = 130
X + Y = 130
X * Y = 130
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What method is used to eliminate variables in the equations?
Substitution
Graphing
Elimination
Trial and Error
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many countries speak Farsi as a first language?
78
52
104
26
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final number of countries where English is spoken as a first language?
78
104
52
26
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