Algebraic Expressions

t x t x t x t =

• 4t

• t⁴

Which of the following best describes the expression 4 times a number increased by 7?

• (x/4) + 7
• 4x - 7
• 4(x + 7)
• 4x + 7

Tags

CCSS.6.EE.A.2A

The algebraic expression that best describes the sequence 12, 24, 36, 48... is

• x + 12
• 12x
• 2x + 12
• 3x + 2

The algebraic expression that best describes the sequence 1, 1/2, 1/3, 1/4, 1/5... is

• 1 + (1/2)x
• x/1
• 1/x
• 1/(x + 1)

Three times a number increased by nine

• 3h-9
• 3(h-9)
• 3(h+9)
• 3h+9

Tags

CCSS.6.EE.A.2A

Factor x³y - 4xy

• x(x²y - 4y)

• x²(xy - 4y)

• xy(x² - 4)

• xy(x - 2)(x + 2)

Factorise
x² + 8x 

• (x + 2)(x + 4)
• (x + 8)(x + 1)
• x(x + 8)
• 2x(x + 4)

   6m² + 16m

• 2(3m² + 8m)
• 2m(3m + 8)
• 2m(3m - 8m)
• not factorable

Factorise 8x + 12

• 4(x+2)
• 8(x+4)
• 4(x+3)
• 4(2x+3)

Tags

CCSS.7.EE.A.1

Factorise 4x + 14

• 2(2x+7)
• 4(x+10)
• 4(x+3)
• 2(x+12)

Tags

CCSS.7.EE.A.1