

Radicals and Simplification Concepts
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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23 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main issue with having radicals in the denominator?
It makes the expression undefined.
It complicates the calculation.
It increases the value of the expression.
It is not allowed in standard mathematical form.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of multiplying by the conjugate?
To change the sign of the expression.
To simplify the numerator.
To eliminate radicals from the denominator.
To increase the value of the expression.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After multiplying the radicals, what should you check for next?
If the expression can be simplified further.
If the expression is a whole number.
If the expression is greater than one.
If the expression is negative.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying root 7 by root 6?
root 42
root 13
root 36
root 49
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of 2 root 42 over 18?
root 21 over 9
root 42 over 9
root 21 over 18
root 42 over 18
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the prime factorization of 42?
2 x 21
6 x 7
3 x 14
2 x 3 x 7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't the square root of 42 be simplified further?
Because 42 is a prime number.
Because there are no pairs in its prime factorization.
Because it is already in its simplest form.
Because it is an even number.
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