Solving a proportion by cross multiplication and inverse operations

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Mathematics
•
11th Grade - University
•
Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving a proportion using inverse operations?
Cross-multiply the terms
Subtract a constant from both sides
Identify the operation on the variable
Add a constant to both sides
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When solving an equation where a variable is divided by a number, what should you do to isolate the variable?
Divide both sides by the number
Multiply both sides by the number
Subtract the number from both sides
Add the number to both sides
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying 15 by 2 and then dividing by 10?
1
4
2
3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is cross-multiplication a popular method for solving proportions?
It is the only correct method
It always gives a different answer
It is easier to remember than multiplying fractions
It requires fewer steps
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the key similarity between inverse operations and cross-multiplication methods?
Both methods result in the same solution
Both methods require adding fractions
Both methods require subtracting fractions
Both methods are only used for addition
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