What is an excluded value?

A value that makes the denominator equal to 0

A number that makes the numerator equal to 0

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.

Find the domain of the rational function f(x) = x / (x 2 -25)

(-infinity, -5) U (-5, 5) U (5, infinity)

(- infinity, -5) U (5, infinity)

(- infinity, 5) U (5, infinity)

(- infinity, 25) U (25, infinity)

(-∞, -3) U (-3, 3) U (3, ∞)

Simplifying Rational Expressions

11th Grade

•

37 Qs

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Simplifying Rational Expressions

Quiz

•

Mathematics

•

11th Grade

•

Practice Problem

•

Hard

•

CCSS

HSA.APR.D.6, HSA.APR.D.7, HSF.IF.B.5

Standards-aligned

Hishsam sanuri

Used 407+ times

FREE Resource

37 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify the rational expression.

9 - x
---------
x² - 81

-------

x + 9

-1

-------

x + 9

-1

-------

x - 9

Tags

CCSS.HSA.APR.D.6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What are the domain restrictions of the following rational expression:

x ≠ 4

x ≠ -4, 4

x ≠ -16, 16

x ≠ 0, 4

Tags

CCSS.HSA.APR.D.7

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify.

(m+6)/(m-3)

7/(m-3)

7(m+6)

(m-3)

Tags

CCSS.HSA.APR.D.6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify.

(x+6)/(x+4)

(x+6)(x+4)

(x+6)

(x+6)/(x-5)

Tags

CCSS.HSA.APR.D.6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

SIMPLIFY

Tags

CCSS.HSA.APR.D.6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

SIMPLIFY

Tags

CCSS.HSA.APR.D.6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify
15x²/5x³

3/x

x/3

5/x

Tags

CCSS.HSA.APR.D.6

CCSS.HSA.APR.D.7

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Simplifying Rational Expressions

37 questions

Simplify the rational expression.9 - x---------x2 - 81

What are the domain restrictions of the following rational expression:

Simplify.

Simplify.

SIMPLIFY

SIMPLIFY

Simplify 15x2/5x3

Simplify.

Simplify.

(x2 + 9x + 14) / (x2 - 4)

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Discover more resources for Mathematics

Simplify the rational expression.

9 - x
---------
x² - 81

Simplify
15x²/5x³

(x² + 9x + 14) / (x²- 4)