
Rational Equations and Expressions

Interactive Video
•
Mathematics
•
8th - 12th Grade
•
Hard
+3
Standards-aligned

Jackson Turner
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main goal when solving a rational equation?
To find the greatest common factor
To determine the expression to multiply both sides by to eliminate fractions
To divide both sides by the numerator
To add fractions on both sides
Tags
CCSS.HSA.APR.D.6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of simplifying the expression (x * (x - 4)) / x?
x / (x - 4)
x * x
x + 4
x - 4
Tags
CCSS.8.EE.C.7B
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of equation is formed after eliminating parentheses in the first example?
Quadratic equation
Cubic equation
Linear equation
Exponential equation
Tags
CCSS.HSA.APR.D.7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the least common denominator (LCD) for the denominators x and x - 4?
x + x - 4
x - 4
x * (x - 4)
x
Tags
CCSS.HSA.REI.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a special case of rational equations, what method can be used instead of finding the LCD?
Adding fractions
Subtracting fractions
Dividing by the numerator
Cross-multiplication
Tags
CCSS.HSA.REI.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must be checked after finding solutions to a rational equation?
If solutions are even numbers
If solutions are positive
If solutions are integers
If solutions make any denominator zero
Tags
CCSS.7.RP.A.3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the second example, what is the shortcut method used to solve the proportion?
Adding fractions
Finding the LCD
Cross-multiplication
Subtracting fractions
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