Mastering Algebraic Expressions

What is an algebraic expression?

• An algebraic expression is a combination of numbers, variables, and operators without an equality sign.

• An algebraic expression is a graphical representation of a function.

• An algebraic expression is only a single number or variable.

• An algebraic expression is a statement that includes an equality sign.

Identify the algebraic expression in the following: 3x + 5

• 3x + 10

• 2x + 5

• 3x + 5

• 3x - 5

Simplify the expression: 4x + 3x

• 5x

• 8x

• 4x + 4x

• 7x

Evaluate the expression 2x + 3 when x = 4

• 10

• 7

• 15

• 11

Add the expressions: 2x + 3 and 4x + 5

• 2x + 5

• 5x + 7

• 6x + 8

• 4x + 3

Subtract the expressions: 5x + 2 from 7x + 3

• 2x + 1

• 2x + 3

• 7x + 1

• 3x + 5

Multiply the expressions: 3x and 4x

• 7x

• 12x

• 8x^2

• 12x^2

What is the coefficient in the expression 7y + 2?

• 7y

• 7

• 2

• y

Identify the constant in the expression 5x + 10

• 5

• 10

• 15

• 20

Simplify the expression: 6a + 4a - 2a

• 6a

• 10a

• 4a

• 8a