Question

1. Which of the following shows how this expression can be simplified?
2x + 6 + 3x − 4

A. x − 2


B. x + 2


C. 5x + 2


D. 5x − 2



2. Which is equivalent to the expression below?
7(2p − 1)

A. 7p


B. 14p − 1


C. 14p − 7


D. 14p − 8



3. Factor the expression below completely.
1.8c + 5.4cd





4. Which is equivalent to the expression below?
2k + (−3m ) − 6k + 2m

A. −4k + (−2m)


B. −4k + (−m)


C. 4k − 5m


D. 4k − m



5. Which of the following expressions does not represent “increase a quantity n by 25%”?

A. n + 0.25n


B. (1 + 0.25)n


C. 125n


D. 1 n



6. Which of the following expressions best represents “a 35% reduction of a number x”?

A. 0.35x


B. 0.65x


C. 1.35x

Answer 1

Your choices of answers to these questions did not show up.

Answer 2

Oh sorry.

1.C
2.D
3 Idk.
4.C
5.A
6.D

Am I right

Answer 3

1.C -- correct
2.D -- wrong
3 Idk. - wrong
4.C -- wrong
5.A -- wrong
6.D -- wrong

I think you were just guessing, hoping that now I would do them for you.

Why not show your steps to get these answers, that way I can help you.

Answer 4

Okay I'll show my steps.

2. Yeah I see D is wrong now. I say B.... 7x2=14

3. I still don't know that one cause I need a little more help

Answer 5

#2
7(2p − 1)
just expand, takes 1 step
= 14p - 7 ----> C

#3,
1.8c + 5.4cd, common factor is 1.8c, one step
= 1.8c( 1 + 3d)

Answer 6

Then 4,5,6... I just need to get the understanding of how t do them

Answer 7

Combine like terms.

Answer 8

Okay I'll try I hope I don't make a bad grade

Answer 9

Which of the following expressions does not represent “increase a quantity n by 25%”?

Answer 10

I need help