Rational Expressions & Equations

  • CCSS.Math.Content.HSA-APR.D.6
  • CCSS.Math.Content.HSA-APR.D.7
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| Attempts: 574 | Questions: 5
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1)

The simplification of  the above rational expression is:

Explanation

Factor numerator and denominator and then simply common factors if it is possible.

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About This Quiz
Rational Expressions & Equations - Quiz

Do you think that you achieved the SLO 5 & 6, for rational expressions and equations section?
Take this quiz and find out.
Instructions: you will answer several questions in different formats regarding rational expressions and equations. Please read carefully the problems and answer the questions asked.

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2)

The solution for this equation is:

Explanation

The substitution of 10 in the equation provides a true statement, therefore the number is a solution.

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3)  A semi-truck travels 300 miles through the flatland in the same amount of time that it travels 180 miles through mountains . The rate of the truck is 20 miles per hour slower in the mountains than in the flatland. 
The flatland rate is 30mph

Explanation

This problem will be discussed in class.

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4)


The LCD for these rational expressions is:

Explanation

The LCD is the product of all factors, in the comparing denominators, with the highest number of repetitions.

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5)

The result of subtracting these two rational expressions is:

Explanation

Same denominator, do the operation in the top and keep common denominator, and then simplify common factors if it is posssible.

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The simplification of  the above rational expression is:
The solution for this equation is:
 A semi-truck travels 300 miles through the flatland in the same...
The LCD for these rational expressions is:
The result of subtracting these two rational expressions is:
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