Understand undefined values when trying to simplify a rational expression

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Mathematics
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11th Grade - University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't you cancel out terms like X squared directly in a fraction?
Because they are not in the denominator
Because they are not in the numerator
Because they are not separated by multiplication
Because they are not the same number
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When can you apply the division property to simplify expressions?
When terms are in the denominator
When terms are in the numerator
When terms are separated by multiplication
When terms are separated by addition
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of factoring the expression X^2 - 3X + 2?
(X + 3)(X - 1)
(X - 3)(X + 2)
(X + 2)(X + 1)
(X - 2)(X - 1)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it tempting to cancel terms after factoring?
Because they are in the denominator
Because they are in the numerator
Because they are separated by addition
Because they look similar
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are domain restrictions in the context of rational expressions?
Values that make the expression undefined
Values that make the denominator zero
Values that make the expression equal to one
Values that make the numerator zero
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