Rational Expressions

For the expression 1/(x – -4), which value of x is not allowed?

• -4
• -3

For the expression 1/(n – 4), which value of n is not allowed?

• 5
• 4

For the expression 1/(x – -1), which value of x is not allowed?

• 1
• 0
• -1

For the expression 1/(n – 8), which value of n is not allowed?

• 9
• 8
• 0
• -8

For the expression 1/(x – 6), which value of x is not allowed?

• 6
• 7
• -6

For the expression 1/(t – 8), which value of t is not allowed?

• 9
• 8

For the expression 1/(t – -6), which value of t is not allowed?

• 0
• -6
• 6
• -5