Expanding Expressions 1 - EDG

Which property is used in the problem below?

2(x + 4) = 2x + 8

• the associative property  

• the commutative property

• the distributive property

• the additive identity property

Tags

CCSS.6.EE.A.3

• -40x + 8y + 2

• 28x + 8y + 2

• 28x + 6y + 2

• -28x - 8y + 2

Tags

CCSS.6.EE.A.3

• the associative property   

• the commutative property

• the distributive property

• the additive identity property

Tags

CCSS.6.EE.A.3

• -4 - 12x

• -4 + 2x

• 4 - 12x

• 4 + 12x

Tags

CCSS.6.EE.A.3

• -0.8 + 4.8y + 16

• 0.8x - 4.8y + 16

• -0.8x - 4.8y + 4

• 0.8x + 4.8y + 4

Tags

CCSS.6.EE.A.3

Simplify

 $\frac{1}{5}\left(150x\ -\ 80y\ +\ 50\ -\ 50x\ -\ 25y\ +\ 20\right)$ 

• 20x + 11y + 14

• 20x - 21y + 14

• 20x - 11y + 6

Tags

CCSS.6.EE.A.3

Which pair shows equivalent expressions?

• 2x + 10 = -2(x - 5)

• -2(x + 5) = 2x - 10

• -2x - 10 = -2(x + 5)

• -2 (x - 5) = -2x - 10

Tags

CCSS.6.EE.A.4

• 16(0.5x - 4y + 32)

• 16(0.5x - 0.75y + 32)

• 16(0.5x - 0.75y + 2)

• 16(0.5x + 4y + 2)

Tags

CCSS.6.EE.A.4

• The first term should be positive.

• The second term should be positive.

• She did not distribute the properly.

• She added 2/7 to -4 instead of multiplying 2/7 tp -4

• She did not simplify the expression completely.

Tags

CCSS.6.EE.A.3

Which expressions are equivalent to the expression.

 $7\left(-\frac{3}{4}x\ -\ 3\right)$ 

•  $-5\ \frac{1}{4}x\ -\ 21$ 

•  $-7\ \frac{3}{4}x-\ 7\left(3\right)$ 

•  $6\ \frac{1}{4}x\ -\ 21$ 

•  $7\left(-\frac{3}{4}x\right)\ -\ 7\left(3\right)$ 

Tags

CCSS.6.EE.A.3