Question

1. x^9 over x^2
A)x^11
B)x^7***
C)7
D)x^5

2. h^14 over h^5
A)h^-9
B)1 over h9
C)h^19
D)h^9***

3.4^4 over 4 ^6
A)-16
B)16***
C)1 over 16
D)-1 over 16

4.5^0
A)0
B)5
C)1***
D)-5

5.7^4 over 7^2_____ 49
A)<***
B)>
C)=
D)none of the above

6.–2r(8r + 5)
A)–16r2 + 5
B)–16r2 + 10***
C)–16r2 – 10r
D)–16r2 – 10

7.4a(a^2 + 7a + 4)
A) 4a+28a^2+16a***
B)4a^3+ 28a^2+ 16a
C)4a^3 + 44a
D)44a^4

8.(2y-3)(3y-2)
A)6y2 – 13y + 6
B) 6y2 – 13y – 6
C)6y2 + 13y – 6
D)6y2 + 13y + 6***
Can you please check my answers?!?!
Thanks :)

Answer 1

#3
4^4/4^6 = 1/4^2 = 1/16

#5
7^4/7^2 = 7^2 = 49

#6
–2r(8r + 5)
= -16r^2 - 10r

#7
4a(a^2 + 7a + 4)
= 4a^3 + 28a^2 + 16a

#8
(2y-3)(3y-2)
= 6y^2 - 4y - 9y + 6
= 6y^2 - 13y + 6

Looks like somebody has some major review ahead of them.

Answer 2

Sorry but I answered your question first but it looks like "Reiny" had deleted it
How rude!

Answer 3

I deleted your post because all you gave were answers.

Answers without explanation are just about worthless to a struggling student.

Answer 4

post it again

Answer 5

nevermind:

1.B
2.D
3.C
4.C
5.C
6.C
7.B
8.A

Answer 6

thanks!!

Answer 7

Fraxus is correct got 100%

Answer 8

thx so much

Answer 9

FraxusFairyTailShipper is correct

Answer 10

2020 and he/she r still right!!
Thank God bc this crap makes no sense -_-

Answer 11

Hey wassup Fraxus

Answer 12

FraxusFairyTailShipper's answers are still good in 2021