In Exercises 7-14, simplify each rational expression. Find all numbers that must be excluded from the domain of the simplified rational expression.

Q: Write the definition of the rational number 2/7

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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: ²- 2x² -x 2x 2x

A: Explanation of the solution is given below...

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: Explain how to simplify rational expressions

A: We have to write the steps for simplify rational expressions.

Q: I need help on dividing a rational expression.

A: Divide and simplify the rational expression as follows.

Q: common

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Q: Evaluate -(-6)-3 . Express in rational form

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Q: After rewriting rational expressions with a common denominator, one needs to add or subtract the…

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Q: Explain how to determine which numbers must be excluded from the domain of a rational expression.

A: Exclude the numbers that makes the value of the denominator zero of a rational expression.

Q: When simplifying a rational expression in the form ( a − b ) / ( a + b ), it always equals - 1.…

A: To determine whether the following statement is True or False.When simplifying a rational expression…

Q: 2-6 2-3x X-2 X-2

A: Explanation of the solution is given below...

Q: Add the following rational expressions and state your answer in simplest form. X-2 x - 3x-18 x+4 x +…

A: Given: x-2x+4+x2-3x-18x2+7x+12   As we know from the fraction rule; ac+bc=a+bc

Q: Why is rational expressions deals with fraction

A: We have to write the reason for rational expressions deals with fraction. Assume an rational…

Q: 4 X + 6 2x 15. X +4 x-1 16. x² - 7x-18 x-9

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