Quiz about Rational Expression Pretest

Question 1

What expression refers to the ratio of both polynomial numerator and denominator?

Accepted Answer

Rational Algebraic Expressions

Answer

Algebraic Expressions

Answer

Basic Rational Expressions

Answer

Rational Numerical Phrases

Question 2

Why is it important to know the excluded value/s of a rational algebraic expression?

Accepted Answer

To prevent the expression to become undefined

Answer

To prevent the expression to become define

Answer

To prevent the expression to become 1

Answer

To prevent the expression to become greater than or equal to zero.

Question 3

Which values of x are excluded from the domain of $$\frac{2x-2}{x-7}-\frac{3}{x\left(x+2\right)}$$ ? Select ALL that apply. HINT: Denominators cannot equal zero. Set denominators equal to 0.

Accepted Answer

7

Accepted Answer

0

Accepted Answer

-2

Answer

2

Answer

3

Question 4

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

Accepted Answer

Dividing

Answer

Adding

Answer

Subtracting

Answer

Multiplying

Question 5

Which values of x are excluded from the domain of $$\frac{2x-2}{x-7}-\frac{3}{x\left(x+2\right)}$$ ? Select ALL that apply.

Accepted Answer

7

Accepted Answer

0

Accepted Answer

-2

Answer

2

Answer

3

Question 6

Which values of x are excluded from the domain of ? Select ALL that apply. HINT: Denominators cannot equal zero. Set denominators equal to 0.

Accepted Answer

7

Accepted Answer

0

Accepted Answer

-2

Answer

2

Answer

3

Question 7

Which values of x are excluded from the domain of $$\frac{2x-2}{x-7}-\frac{3}{x\left(x+2\right)}$$ ? Select ALL that apply. HINT: Denominators cannot equal zero. Set denominators equal to 0.

Accepted Answer

7

Accepted Answer

0

Accepted Answer

-2

Answer

2

Answer

3

Rational Expression Pretest

15 questions

What expression refers to the ratio of both polynomial numerator and denominator?

What is the excluded value of the rational function, \frac{P\left(x\right)}{Q\left(x\right)}

Why is it important to know the excluded value/s of a rational algebraic expression?

Simplify this rational expression

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

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