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 combination of only numbers without any variables.

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

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

Identify the algebraic expression: 3x + 5

• 2x + 5

• 3x + 5

• 3x + 2

• 3x - 5

Which of the following is not an algebraic expression: 7, 2y + 3, x^2 - 4?

• 4y^2 - 2y + 1

• 7

• 3x + 5

• 5 - 2x

Simplify the expression: 4x + 3x

• 8x

• 4x + 4x

• 7x

• 6x

Simplify the expression: 5a - 2a + 7

• 3a - 2

• 5a + 7

• 2a + 7

• 3a + 7

Evaluate the expression: 2x + 3 when x = 4

• 11

• 15

• 10

• 7

Evaluate the expression: 3y - 5 when y = 2

• -1

• 4

• 1

• 5

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

• 5x + 7

• 4x + 3

• 6x + 8

• 2x + 5

Subtract the expressions: 5a + 2 and 3a + 4

• 3a - 2

• 2a - 2

• 2a + 2

• 5a - 4

What is the coefficient in the expression: 7x + 2?

• 7x

• x

• 2

• 7