Simplifying algebraic expressions

What is the greatest common factor of 16 and 24?

Tags

CCSS.7.EE.A.1

Factor the expression 15a + 20b using the greatest common factor (GCF).

• 7(2a + 5b)

• 3(5a + 4b)

• 5(3a + 4b)

• 10(3a + 2b)

Tags

CCSS.7.EE.A.1

Which expression is equivalent to 36 + 42?  Using the Greatest Common Factor (GCF)?

• 2(18 + 21)

• 6(6 + 7)

• 3(12 + 14)

• 6(6 + 42)

Tags

CCSS.7.EE.A.1

18m+42n

• 6(3m+7n)

• 60mn

• 6(7m+3n)

• 6(18+3)

Tags

CCSS.7.EE.A.1

Find the total amount of tiles.

• 7x + 6

• -10x - 5

• 10x + 1

• 10x + 5

Tags

CCSS.7.EE.A.1

Factor the expression by dividing out the GCF.

3x + 3y

• 3(x + y)
• 3x - 3y
• 3xy
• 6(x + y)

Tags

CCSS.7.EE.A.1

Factor the expression:

12 + 3q

• 4(3 + q)

• 3( 4+q)

• none of those

• 1(12 + q)

Tags

CCSS.7.EE.A.1

Factorise fully    $6\ -\ 12x$  

•  $6\left(\ -\ 2x\right)$  

•  $6\ \left(\ 1\ -\ 2x\right)$  

•  $6\ \left(1\ -\ 12x\right)$  

•  $3\ \left(\ 2\ -\ 4x\right)$  

Tags

CCSS.7.EE.A.1

True or False? Only like terms can be multiplied.

• True

• False

Tags

CCSS.7.EE.A.1

Factor completely: -28x + 56

• 14(2x + 14)

• 28(x + 2)

• 14(-2x + 14)

• -28(x - 2)

Tags

CCSS.7.EE.A.1