Simplifying Algebraic Expressions with Like Terms

What is a coefficient in an algebraic expression?

• A mathematical operation

• A number that stands alone without any variable

• A letter that appears in the expression

• A number that is multiplied or attached to a letter

In the expression 4x + 3x, what is the simplified form?

• 1x

• 12x

• 4x + 3x

• 7x

How do you simplify the expression 4x - 3x?

• 7x

• 1x

• x

• 4x - 3x

What is the simplified form of 3x + 9y + x - 8y?

• 4x + 1y

• 4x + y

• 3x + 9y - 8y

• 3x + x + y

In the expression 3x - 9y + x + 8y, what is the simplified form?

• 3x - 9y + x + 8y

• 4x - 1y

• 4x - y

• 4x + y

How do you simplify the expression 3x^2 + x^2?

• 4x^2

• 4x

• 3x^2 + x^2

• x^4

What is the simplified form of 15x - 5x?

• 5x

• 10x

• 15x - 5x

• 20x

In the expression 9x^2 + 10x - 5y + y, what is the simplified form?

• 9x^2 + 10x - 4y + y

• 9x^2 + 10x - 6y

• 9x^2 + 10x - 5y + y

• 9x^2 + 10x - 4y

What is the simplified form of the constants in the expression -8 + 18?

• 10

• 26

• -10

• 8

How many terms will the simplified expression of 9x^2 + 10x - 5y + y - 8 + 18 have?

• 4

• 5

• 3

• 2