
Rational Equations and Denominators
Interactive Video
•
Mathematics
•
7th - 10th Grade
•
Hard
+3
Standards-aligned

Mia Campbell
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving a rational equation?
Cross-multiply the terms
Find the least common denominator
Add all terms to one side
Divide by the largest coefficient
Tags
CCSS.HSA.REI.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't we simply cross-multiply in the given rational equation?
Because it is not a valid method
Because the denominators are the same
Because the equation is not balanced
Because there is an extra term
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After finding the least common denominator, what is the next step?
Subtract the denominators
Multiply each term by the LCM
Add the numerators
Divide each term by the LCM
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result after simplifying the equation using the LCM?
A complex equation
A simple equation
An unsolvable equation
A quadratic equation
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final step after simplifying the equation using the LCM?
Divide by the LCM again
Multiply by another factor
Solve the equation
Add more terms
Tags
CCSS.HSA.APR.D.7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the complex denominator example, what is the chosen common denominator?
6x squared
6x
x squared
2x
Tags
CCSS.HSA.REI.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when you multiply each term by the common denominator in the complex example?
The equation becomes more complex
The denominators remain unchanged
All fractions are eliminated
The equation becomes unsolvable
Tags
CCSS.HSA.REI.A.2
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