Adding two rational expressions with trinomial denominators

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Mathematics, Information Technology (IT), Architecture
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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 LCM of 1/4 and 3/6?
24
12
18
6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When dealing with trinomials, why is it important to use the least common multiple?
To ensure all terms are multiplied
To make calculations more complex
To avoid simplification later
To increase redundancy
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you factor the expression y^2 - 3y - 10?
(y + 1)(y - 10)
(y - 5)(y + 2)
(y + 5)(y - 2)
(y - 3)(y + 3)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the LCM of the factored terms y - 5 and y + 2?
y - 5
y - 1
y + 2
(y - 5)(y + 2)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of combining like terms in the expression 2y^2 - 11y + 5?
2y^2 - 10y + 5
2y^2 - 11y + 5
y^2 - 11y + 5
2y^2 - 12y + 5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which expression can be further factored to simplify the final answer?
y + 2
2y - 1
2y^2 - 11y + 5
y - 5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final simplified expression after canceling out common factors?
y - 1 / (y - 5)(y + 2)
y - 5 / (y - 1)(y + 2)
2y - 1 / (y - 1)(y + 2)
2y - 1 / y + 2
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