Quiz about A2T - Unit 6 - Rational Expressions & Equations Review

Question 1

Find the values of x that make the expression undefined.

Select all that apply.

Accepted Answer

3

Accepted Answer

-3

Answer

5

Answer

0

Question 2

Question 2.

Accepted Answer

$$\frac{2}{x+3}$$

Answer

$$\frac{2\left(2x-1\right)}{\left(2x+1\right)\left(x-3\right)}$$

Answer

$$\frac{-2}{x+3}$$

Answer

$$\frac{4}{2\left(x+3\right)}$$

Question 3

Question 3.

Accepted Answer

$$\frac{a^7}{12}$$

Answer

$$\frac{a^7}{220}$$

Answer

$$12a^7$$

Answer

$$\frac{1}{12a^7}$$

Question 4

There is a typo on the top trinomial.

It should read

$$x^2-27x-28$$

Accepted Answer

$$\frac{\left(x-28\right)\left(x-4\right)}{4}$$

Answer

$$\frac{\left(x-28\right)\left(x+4\right)}{4}$$

Answer

$$\frac{x-28}{x-4}$$

Answer

$$\frac{x-28}{\left(x+4\right)\left(x+4\right)\left(x-4\right)}$$

Question 5

Question 5.

Accepted Answer

$$\frac{x+4}{3\left(x+2\right)\left(x-2\right)}$$

Answer

$$5x-4$$

Answer

$$5x+4$$

Answer

$$\frac{x-4}{3\left(x+2\right)\left(x-2\right)}$$

Question 6

Select all that apply.

Accepted Answer

$$k=7$$

Answer

$$k=\frac{25}{7}$$

Answer

$$k=\frac{32}{7}$$

Answer

$$k=3$$

Answer

$$k=4$$

Question 7

Question 7.

Accepted Answer

$$x=-3$$

Answer

$$x=-2$$

Answer

$$x=-4$$

Answer

no solution

Question 8

Select all that apply.

Accepted Answer

$$x=9$$

Answer

$$x=-1$$

Answer

$$x=4\pm\sqrt[]{47}$$

Answer

no solution

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