197 Answered Questions for the topic Rational Expressions

Rational Expressions Algebra 2

02/27/14

How do you simplify (2x-5)/(x-2)+(x-8)/(x+4)
I've multiplied it out so that they both have a common denominator of (x+4)(x-2) and now I'm confused on what to do next.
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Rational Expressions

12/31/13

Rationalize the denominator in the expression
Rationalize the denominator in the expression             -√2d   t =     ----             √a   Thank you in advance
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Rational Expressions

12/15/13

rational expressions g^2-6g-55 / gk^3 +k / k^2 + k-42
need to find the domain for both expressions   g^2 - 6g-55 divided by g   k^3 + k divided by K^2 + k - 42    
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Rational Expressions Functions

11/26/13

Rational Expression and Equations ,Functions
Simplify this rational expression    x^2+3x-7    x^2+5x-9       x^2-6x+14 ----------- - ------------- + --------------- x^2-2x-8     x^2-2x-8         x^2-2x-8    
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Rational Expressions

11/14/13

adding and subtracting rational expressions
I need help with adding and subtracting rational expressions
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Rational Expressions Algebra 2 Domain Algebra 2 Question

10/21/13

(FIRST PART ALREADY ANSWERED AND NEW PART ADDED) Why do you find the domain of both the numerator and denominator in a rational equation? When do you do it?
For example, if you had:   x-3 ------ 5x+3   you'd only find the domain and use the denominator. Why wouldn't you also do the numerator?    And then you'd use both the  numerator and the... more
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Rational Expressions Quadratics

10/19/13

can you help me with my math?
determine value of k when g(x)= 4x+k does not intersect the parabola f(x)=-3x2-x+4
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10/12/13

Simplify rational expression
Simplify the rational expression (Show All work)   x^2-8x-48/x+4
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Rational Expressions

09/17/13

one number is 1/4 of another number. The sum of the two number's is 30. Find the two numbers.
I have a few questions on my pre - test study guide that is due  tomorrow that I don't understand how to do. I am in math 120 or in algebra 2 for high school - but i am a college student. I have up... more
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Rational Expressions Algebra Solving Rational Equations

08/25/13

I need help solving rational equations, i cant figure out how
The problem is (2x+1/3)-(x-5/4)=1/2
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Rational Expressions Adding Adding Rational Expressions

08/17/13

How do you add rational expressions with different denominators and numerators?
The problem is : (3x+3/x^2+2x+1)+(x-1/x^2-1) ^2=squared ive been on a lot of math help websites but I cant seem to figure out how to solve this  
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Expert Answers •4
Rational Expressions Math

04/15/13

Combine the rational expressions
Combine the rational expressions.. Reduce your answer to lowest terms   2/x2 + 5x + 6   -   4/x2  + 4x + 3   +   3/x2 + 3x +2
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Rational Expressions

04/11/13

I need help on these questions
x2+10x+25/4x2+17x-15
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Rational Expressions

04/07/13

1/x + 1/9 / 1xsquare - 1/3
1/x + 1/9 / 1xsquare - 1/3
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Rational Expressions

03/06/13

what are the restrictions on this rational expression
y=6/4x+24  
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Rational Expressions Math Algebra 2 Fractions Help

02/24/13

Can this be further simplyfied?
Adding and Subtracting Rational Expressions 5 over 6ab - 7 over 8a after getting common denominators i get 20 - 21b over 24ab can this be further simpified?
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Rational Expressions Math

02/20/13

How is the process for simplifying and multiplying fractions similar to simplifying or multiplying rational expressions?
How is the process for simplifying 2x(x+1)/4(x+1) similar? Different?
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Rational Expressions Math

02/19/13

How is adding, subtracting, multiplying and dividing fractions similar to doing
How is adding, subtracting, multiplying and dividing fractions similar to doing the same with rational expressions. can you give me an example of each?
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Rational Expressions

02/19/13

How is adding, subtracting, multiplying and dividing fractions similar to doing the same with rational expressions.
How is adding, subtracting, multiplying and dividing fractions similar to doingthe same with rational expressions.
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Rational Expressions

12/13/12

Rational Expressions and Equations
P(x) = 90(1 + 1.5x)/ 1 + 0.5x
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Rational Expressions

10/27/12

How do you multiply rational expressions?
m/m2-1 * m2+2m-3/my
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Rational Expressions

10/27/12

how do you make the denominator equal to 0
how do you get the values of x?
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Expert Answers •1

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