When adding and subtracting rational expressions, my first step should be to:

Determine a Least Common Denominator.

Combine like terms in the numerators.

Factor all of the numerators and all of the denominators.

Change the operator to multiplication and reciprocate the second fraction.

To simplify a rational expression, I should

Factor the numerator and denominator and eliminate common factors.

Eliminate common terms in the numerator and denominator.

Combine like terms in the numerator and denominator.

When simplifying rational expressions, what is a restriction ?

A value of a variable that makes the expression mathematically illegal.

The negative or opposite of the denominator

The negative or opposite of the numerator

What are the restrictions of: c − 5 c + 5 \frac{c-5}{c+5} c + 5 c − 5

c ≠ − 5 c\ne-5 c  = − 5

c ≠ 5 c\ne5 c  = 5 and c ≠ − 5 c\ne-5 c  = − 5

Operations with Rational Expressions

Authored by Christa Graham

Mathematics

10th - 12th Grade

CCSS covered

Used 42+ times

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify

(x-9)/(x+9)

1/(x-9)

(x+9)

1/(x+9)

Tags

CCSS.HSA.APR.D.6

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify.

p/2

2/p

Tags

CCSS.HSA.APR.D.6

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Divide the Rational Expression

Tags

CCSS.HSA.APR.D.6

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Multiply the Rational Expression

Tags

CCSS.HSA.APR.D.7

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Divide the Rational Expression

Tags

CCSS.HSA.APR.D.6

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Divide the Rational Expression

Tags

CCSS.HSA.APR.D.7

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the least common denominator of the expression

3xy

6xy

Tags

CCSS.HSA.APR.D.7

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Operations with Rational Expressions

Simplify

Simplify.

Divide the Rational Expression

Multiply the Rational Expression

Divide the Rational Expression

Divide the Rational Expression

Find the least common denominator of the expression

Simplify the expression

When adding and subtracting rational expressions, my first step should be to:

My first step will be to change the operator to multiplication and reciprocate the second fraction when...

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