Algebraic Expressions

Simplify the expression: 3x + 5x.

• 9x

• 5x + 3

• 6x

• 8x

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

• 7

• 10

• 15

• 11

Combine like terms: 4a + 2b - 3a + 5b.

• a + 7b

• 1a + 3b

• 7a + 2b

• 4a + 5b

Distribute the expression: 3(2x + 4).

• 6x + 12

• 6x + 4

• 3x + 12

• 2x + 4

Factor the expression: x^2 + 5x + 6.

• (x + 2)(x + 3)

• (x + 5)(x + 1)

• (x + 1)(x + 6)

• (x + 4)(x + 2)

Write an expression for: the sum of a number and 7.

• x + 7

• 7 + x

• x - 7

• x * 7

Identify the type of expression: 4x + 3.

• Linear expression

• Constant expression

• Quadratic expression

• Cubic expression

What is the coefficient of x in the expression: 7x - 2?

• -2

• 0

• 5

• 7

How many terms are in the expression: 5x + 3y - 2?

• 4

• 3

• 2

• 5

Simplify the expression: 6y - 2y + 4.

• 4y + 4

• 4y - 2

• 6y + 4

• 8y + 2