Question

Which of the following expressions are equivalent to the expression 4x + 8?

Choose ALL the expressions that are equivalent.

Question 1 options:

4(x+2)

6x+8−2x

4x+2

2(2x+8)

3x+9+x−1

4(x+8)

2(2x+4)

Answer 1

it’s all of those except 2(2x+8) , 4c+2 , & 4(x+8)

Answer 2

Option 1,2,5 and 7 are correct.

Explanation:

To find : Which of the following expressions are equivalent to the expression 4x + 8?

Solution :

We solve every given options,

1)
`4(x+2)`

`4(x+2)=4x+8`

It is equivalent.

2)
`6x+8-2x`

`6x+8-2x=4x+8`

It is equivalent.

3)
`4x+2`

It is not equivalent.

4)
`2(2x+8)`

`4x+16`

It is not equivalent.

5)
`3x+9+x-1`

`3x+9+x-1=4x+8`

It is equivalent.

6)
`4(x+8)`

`4(x+8)=4x+32`

It is not equivalent.

7)
`2(2x+4)`

`2(2x+4)=4x+8`

It is equivalent.

Therefore, Option 1,2,5 and 7 are correct.