

Rationalization and Conjugates Quiz
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary goal of rationalizing a denominator?
To simplify the numerator
To eliminate the radical from the denominator
To make the numerator a whole number
To convert the fraction into a decimal
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When rationalizing the fraction 2/√3, what is the multiplier used?
3/3
√3/√3
2/2
1/√3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it acceptable to have a radical in the numerator but not in the denominator?
Denominators must be whole numbers
It is a mathematical convention
Radicals in numerators are easier to calculate
Numerators are always simplified
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the conjugate of the binomial 2 + √2?
2 - √3
2 - √2
2 + √3
2 + 2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the expression (2 + √2)(2 - √2), what pattern is used to simplify it?
Quadratic formula
Perfect square trinomial
Difference of squares
Sum of cubes
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of rationalizing the fraction 10√2/√5?
√10
5√10
2√10
10√5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the conjugate of 2 - √7?
2 - √6
2 + √6
2 + √7
2 - √8
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