When simplifying a rational expression in the form ( a − b ) / ( a + b ), it always equals - 1. Select one: True False

Q: Why we need the least common denominator to add or substract rational expressions?

A: Rational function is the ratio of two polynomial functions where the denominator polynomial is not…

Q: Find all numbers that must be excluded from the domain of the rational expression : 13 / (x + 9)

A: The denominator can never be 0 So, x+9 ≠ 0  So, x≠-9

Q: Nancy's Lawn Care specializes in residential lawn cutting and fertilizing. Nancy, the owner, has…

A: Introduction: The ratio of two polynomials is shown in rational formulas. It indicates that the…

Q: A rancher has 1500 feet of fence and would like to enclose a rectangular area that borders a river…

A: Given total length of the fencing = 1500 ft

Q: Which rational expression is 246z+97 equivalent to

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Q: Create a presentation that could be used to teach a student how to add, subtract, multiply, and…

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Q: Find all numbers that must be excluded from the domain of the rational expression : 7 / (x - 3)

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Q: What is the rule when dividing rational expressions

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Q: determine whether a product of two rational numbers is positive or negative.

A: Rational numbers : The numbers which are written in ab form.   We know that  When two rational…

Q: Simplify the rational expression to lowest terms: a2 + 4x 22 - 16

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Q: Divide x3 − 1 by x − 1. Check the result.

A: Find the value of  x3-1x-1

Q: GIVEN SOLUTION 1. х-6х-27 21r+66r+48 2. 12r+36r+24 54d+54d 3. 36d +36d 2d

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Q: х3 , х? + 2х-15 +3x +2 х - Зх - 4 х? +3х -10 r² – 3x – + 3х -10

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Q: 32x°y 15y 5xy? 8xy 8x2,,4

A: The given expression is  32x3y5xy2. 15y8x2y4

Q: x² - 25 x² + 10x + 25 r z 1, -5 2x - 2 x² + 4x - 5

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Q: The cost (in millions of dollars) for a 30-second ad during the TV broadcast of a major sporting…

A: Given that  the cost function C(t) =  0.045 x2 + 0.465 x + 1.2x + 5   Here x = 0 corresponds…

Q: Add the following rational expressions. 3x - 10 *•x- 42 +x- 42 3-4x Эх - 10 3-4x (Simplify your…

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Q: Simplify the quotient of the following rational expression: 6x+ 27 8х+ 36 18x +36x 2х+4

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Q: Your best friend missed math class today and asked you to email them what they missed. Summarize to…

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