Identifying Excluded Values in a Rational Expression

What values of x must we exclude from the domain?

•  -3

•  -2

• 0 

• 2

What values of x must we exclude from the domain?

•  0

•  1

• -1 

• -2 

• 6

What values of x must we exclude from the domain?

•  7

•  0

•  -7

• 3 

• 9

State the domain restrictions. 

• x ≠ -2

• x ≠ 2, 1

• x ≠ 2, -1

• x ≠ -2, 2, 1

State the domain restrictions.

• x ≠ 3, -2, 6, -1

• x ≠ -1, 6

• x ≠ 3, -2

• No Domain Restrictions

Find the excluded value(s).

• n = 0

• n = -1, 1

• n = 3

• There are no excluded values.

What are the excluded values of this rational expression?

• 0 and 2

• 2 and 3

• 0 and 1.5

• 1.5 and -1.5

• -3/2, 1

• 3/2, -1

• -17/6

• 0

• 0

• 12

• -12

• There are no excluded values