Exploring Adding and Subtracting Rational Expressions

What are the two main types of terms in an expression?

• Coefficients and exponents

• Variables and constants

• Constants and coefficients

• Variables and coefficients

Which of the following is a variable term in the expression 8x + 1 + 5x?

• 8

• 12

• 1

• 5x

In the expression 4x + 7x + 9, what are the coefficients?

• 4, 7, and 9

• 4 and 7

• 4 and 9

• 7 and 9

What is the constant term in the expression 7a + 1 + 16?

• 16

• 1

• 7a

• Both 1 and 16

How do you combine the like terms in the expression 12x + 7x?

• Divide the coefficients

• Subtract the coefficients

• Multiply the coefficients

• Add the coefficients

What is the simplified form of the expression 7x + 4 + 2x?

• 9x + 6

• 9x + 4

• 7x + 4 + 2x

• 7x + 6

In the expression 3/4y + 1/2y, what is the common denominator used to combine the terms?

• 8

• 2

• 4

• 6

What is the simplified form of the expression 5/6w + 1/8 + 7/12?

• 5/6w + 1/4

• 5/6w + 7/8

• 5/6w + 1/2

• 5/6w + 17/24

What is the result of combining 8a - a?

• 7a

• a

• 8a

• 9a

In the expression 1c + 7c, what is the simplified form?

• 1c

• 7c

• 8c

• 6c