Grade 8 1st Quarter Math Exam

Factor: 12x + 18

• 6(2x + 3)

• 3(4x + 6)

• 2(6x + 9)

• 12(x + 18)

Factor: 8y² + 12y

• 2y(4y + 6)

• 4y(2y + 3)

• y(8y + 12)

• 8(y² + y)

Factor: 21a³b² + 14a²b³

• 7a²b²(3a + 2b)

• 7ab²(3a² + 2b)

• 14a²b²(3a + b)

• 21a²b²(a + b)

Factor: 9m²n – 6mn²

• 3mn(3m – 2n)

• 3mn(3m + 2n)

• 6mn(3m – n)

• 9mn(m – 2n)

Factor: 25x³y² – 10x²y³

• 5x²y²(5x – 2y)

• 10x²y²(2x – y)

• 5x²y²(5x + 2y)

• 25x²y²(x – y)

Factor: 18a² + 24a

• 6a(3a + 4)

• 12a(2a + 3)

• 18a(2a + 4)

• 6a(3a – 4)

Factor: 40xy + 60x²y²

• 10xy(4 + 6xy)

• 20xy(2 + 3xy)

• 5xy(8 + 12xy)

• 10xy(4 + xy)

Factor: x² + 10x + 25

• (x + 25)(x + 1)

• (x + 5)(x + 5)

• (x + 25)(x – 1)

• (x – 5)(x – 5)

Factor: x² – 16

• (x – 8)(x + 8)

• (x – 4)(x – 4)

• (x – 16)(x + 1)

• Prime

Factor: y² – 14y + 49

• (y – 7)(y – 7)

• (y – 14)(y + 7)

• (y + 7)(y + 7)

• (y – 49)(y + 1)