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
Your choices of answers to these questions did not show up.
Oh sorry.
1.C
2.D
3 Idk.
4.C
5.A
6.D
Am I right
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.
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
#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)