Grade 8 Mathematics quiz

Simplify the expression: 3x + 2y - 5x + 4y

• -5x + 6y

• -2x + 2y

• 3x + 4y

• -2x + 6y

Factorize the expression: 6x^2 + 11x + 4

• (2x + 4)(3x + 1)

• (2x + 3)(3x + 1)

• (3x + 2)(2x + 1)

• (6x + 4)(x + 1)

Expand the expression: (2x + 3)(x - 4)

• 2x^2 + 5x + 12

• 2x^2 + 5x - 12

• 2x^2 - 5x + 12

• 2x^2 - 5x - 12

Combine like terms: 5x^2 + 3x^2 - 2x + 4

• 8x^2 - 2x + 4

• 3x^2 - 2x + 4

• 5x^2 + 3x^2 + 2x + 4

• 8x^2 - 2x - 4

Solve for x: 2(x + 5) = 18

• x = 10

• x = 6

• x = 4

• x = 2

Simplify the expression: 4(2x - 3) - 2(3x + 1)

• 8x - 10

• 6x - 14

• x - 7

• 2x - 14

Find the value of x: 3x - 7 = 8

• 5

• 10

• 3

• 6

Expand and simplify: (x + 2)(x - 3)

• x^2 - 5x - 6

• x^2 - 3x - 6

• x^2 - 2x - 6

• x^2 - x - 6

Solve for y: 2y + 5 = 17

• y = 12

• y = 6

• y = 10

• y = 8

Factorize the expression: x^2 + 5x + 6

• (x + 3)(x + 4)

• (x + 4)(x + 2)

• (x + 1)(x + 6)

• (x + 2)(x + 3)