Mastering Algebraic Expressions

Evaluate: 3x + 5 when x = 2.

• 7

• 13

• 11

• 9

Add: (2x + 3) + (4x + 5).

• 4x + 8

• 6x + 8

• 6x + 5

• 5x + 7

Subtract: (5x + 7) - (2x + 4).

• 5x + 7

• 3x + 3

• 2x + 3

• 3x + 4

Multiply: 3(x + 4).

• 3x + 7

• 3x + 12

• 3x + 4

• x + 12

Factor: x^2 + 5x + 6.

• (x + 2)(x + 4)

• (x + 2)(x + 3)

• (x + 3)(x + 5)

• (x + 1)(x + 6)

Evaluate: 2a^2 + 3a when a = 1.

• 7

• 5

• 6

• 4

Add: (x^2 + 2x) + (3x + 4).

• x^2 + 6x + 4

• x^2 + 3x + 7

• 2x^2 + 5x + 4

• x^2 + 5x + 4

Subtract: (4y^2 + 3y) - (2y^2 + y).

• 2y^2 + 2y

• 4y^2 + 3y

• 3y^2 + 2y

• 2y^2 + 4y

Multiply: 2(x - 3)(x + 2).

• 2x^2 - 2x - 12

• 2x^2 + 6x - 12

• 2x^2 + 2x - 6

• 2x^2 - 4x + 6

Factor: x^2 - 9.

• (x - 2)(x + 2)

• (x - 4)(x + 4)

• (x - 1)(x + 1)

• (x - 3)(x + 3)