LCD of Fraction VS LCD of Rational Expression

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Mathematics, Life Skills
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11th Grade - University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary reason for finding a common denominator when adding or subtracting fractions?
To ensure the numerators are equal
To make the denominators the same
To simplify the fractions
To convert fractions to decimals
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When finding the LCD for fractions, what is the simplest method mentioned?
Adding the numerators
Dividing the numerators
Multiplying the denominators
Subtracting the denominators
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of polynomials, why is it recommended to leave the LCD in factored form?
It looks more complex
It simplifies later calculations
It is a requirement in algebra
It is easier to multiply
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of combining the numerators X + X and 3 + 2 in polynomial expressions?
X + 2
X + 5
2X + 5
2X + 3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might multiplying denominators not always yield the least common denominator?
It is not applicable to fractions
It may not be the smallest shared multiple
It only works for even numbers
It is too complex
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key advantage of factoring when finding the LCD in polynomials?
It makes the expressions longer
It simplifies the expressions
It is only used for quadratic equations
It eliminates the need for a common denominator
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example of 1/2 and 1/6, what is the least common denominator?
12
3
2
6
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