Rational Expression Simplification Quiz

What is the first step in simplifying rational expressions by subtraction?

• Factoring the expressions

• Adding the expressions

• Dividing the expressions

• Finding a common numerator

Which of the following is a correct factorization of a difference of squares?

• x + 2 * x + 3

• x - 2 * x - 2

• x + 2 * x - 2

• x + 2 * x + 2

When combining expressions into one fraction, what must be ensured?

• The expressions are multiplied

• The denominators are common

• The expressions are divided

• The numerators are equal

What is the result of simplifying the numerator 6x - 12 - 2x - 4?

• 4x - 16

• 8x - 16

• 4x - 8

• 6x - 8

How can the numerator 4x - 16 be further simplified?

• By adding 4

• By factoring out a GCF of 4

• By subtracting 4

• By factoring out a GCF of 2