Quiz about Simplifying Rational Expressions Excluded Values

Question 1

Question 1.

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 2

Simplify the following expression:

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 3

Simplify.

Accepted Answer

1/(n-7)

Answer

n-7

Answer

(n-6)/(n-7)

Answer

n-6

Question 4

SIMPLIFY

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 5

Simplify.

Accepted Answer

(x+6)/(x-5)

Answer

(x+6)/(x+4)

Answer

(x+6)(x+4)

Answer

(x+6)

Question 6

Find the excluded value(s).$\frac{45}{10x-10}$

Accepted Answer

a = 1

Answer

a = 0

Answer

a = 10

Answer

a = -1

Question 7

Find the excluded value(s). $$\frac{x-5}{x^2-10x+25}$$

Accepted Answer

v = 5

Answer

v = 10

Answer

v = -25

Answer

v = -5

Question 8

Find the excluded value(s). $$\frac{x}{x^2+x-12}$$

Accepted Answer

x = 3 and x = - 4

Answer

x = - 3 and x = 4

Answer

x = 3 only

Answer

x = - 4 only

Question 9

Find the excluded value(s). $$\frac{x\left(x+4\right)}{\left(x^2-16\right)}$$

Accepted Answer

x = -4, 4

Answer

x = 4

Answer

x = -16, 16

Answer

x = 0, 4

Question 10

Find the excluded value(s). $$\frac{x^2+x-90}{x^2+2x-80}$$

Accepted Answer

8, -10

Answer

8, 9

Answer

-8, 10

Answer

-8, -9

Question 11

$$\ \frac{2x\left(x-2\right)}{\left(x-2\right)\left(x+5\right)}$$

State the values of x which must be excluded to prevent division by zero.

Accepted Answer

2 and -5

Answer

-2 and 5

Answer

0, 2, and -5

Answer

0, -2, and 5

Question 12

$$\frac{\left(x\ +\ 1\right)\left(x-4\right)}{\left(x-4\right)\left(x+7\right)}$$
State the values of x that must be excluded to prevent division by zero.

Accepted Answer

4 and -7

Answer

-1, 4, and -7

Answer

-1 and 4

Answer

-4 and 7

Question 13

$$\frac{\left(x-3\right)\left(x+4\right)}{x\left(x-3\right)}$$
State the values of x that must be excluded to prevent division by zero.

Accepted Answer

0 and 3

Answer

0 and -3

Answer

3 and -4

Answer

0, 3, and -4

Question 14

Which value of x makes the expression undefined?

Accepted Answer

-2

Answer

2

Answer

-6

Answer

-3

Question 15

Simplify and make sure final answer is in standard form.

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 16

Simplify

Accepted Answer

$$\frac{1}{(x-9)}$$

Answer

$$\frac{x+9}{x-9}$$

Answer

Answer

$$\frac{1}{(x+9)}$$

Answer

Simplifying Rational Expressions Excluded Values

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