Learn how to simplify a complex rational expression by multiplying by the LCD
Interactive Video
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Mathematics, Science
•
11th Grade - University
•
Practice Problem
•
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 simplifying complex fractions?
Multiply the fractions
Identify the LCM
Add the fractions
Subtract the fractions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the LCM when dealing with expressions like X^2 - 9?
By subtracting the terms
By multiplying the terms
By factoring the expression
By adding the terms
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What property must be applied when multiplying the LCM across terms separated by addition or subtraction?
Associative Property
Identity Property
Commutative Property
Distributive Property
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of applying the distributive property to the expression 2 * (X + 3) + 3X?
5X + 3
2X + 6 + 3X
5X + 9
2X + 3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final simplified form of the expression given in the tutorial?
5X - 6 / -X + 9
5X - 6 / X + 9
5X + 6 / -X - 9
5X + 6 / X - 9
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