Simplifying Rational expressions

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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 the properties of exponents be applied directly to simplify trigonometric expressions?
Because they involve complex numbers.
Because they are already in their simplest form.
Because they are separated by addition and subtraction.
Because they are separated by multiplication.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in the grouping technique for factoring?
Multiply all terms together.
Combine all terms into one.
Break up the terms into pairs.
Add a constant to each term.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When using the grouping technique, what should you factor out from each pair of terms?
The least common multiple.
The smallest number.
The largest number.
The greatest common factor.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the expression X^2 - 8X + 15, what two numbers multiply to 15 and add to -8?
-5 and -3
5 and 3
-8 and 1
7 and -2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't X^2 - 3 and X - 3 be simplified further by division?
They are already in simplest form.
They are separated by multiplication.
They are not the same terms.
They are not separated by addition.
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