math

6. -2r(8r + 5)
a -16r2 + 5
b -16r2 +10
c -16r2 -10r
d -16r2 - 10

7. 4a (a2 + 7a + 4
a 4a + 28a2 + 16a
b 4a3 +28a2 +16a
c 4a3 + 44a
d 44a4

8. (2y-3) ( 3y-2
a 6y2 - 13y +6
b 6y2 - 13y -6
c 6y2 + 13y -6
d 6y2 + 13y +6

B
D
A

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3. 👁 291
1. Number 6 & 7 are wrong

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2. 👎 0
posted by Jen
2. 6 and 7 are wrong.

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2. 👎 0
3. C
D
A yes it is correct

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posted by Kuai
4. (2y-3) (3y-2)
6y2-4y -9y+6

= 6y2 - 13y + 6

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posted by Jen
B
C
A

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posted by swaggy
6. @ Ms. Sue

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posted by swaggy
7. Are my answers correct now @Jen

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2. 👎 0
posted by swaggy
8. -2r(8r + 5)

= -16r2 -10r

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2. 👎 0
posted by Jen
9. 4a (a2 + 7a + 4)

= 4a3 + 28a2 + 16a

1. 👍 0
2. 👎 0
posted by Jen
10. 6. -2r(8r +5

-2r(8r) +5(-2r)

= -16r^2 -10r

7. 4a(a^2 + 7a + 4)

4a(a^2) + 4a (7a) + 4a(4)

= 4a^3 + 28a^2 +16a

8. (2y-3)(3y-2)

6y^2 -4y -9y +6

= 6y^2 - 13y + 6

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2. 👎 0
posted by Kuai
11. @ Kuia Thanks all correct!!

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posted by swaggy
12. anyone else got the rest of the answers for this test

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13. 1. B
2. D
3. C
4. C
5. C
6. C
7. B
8. A
these are my answers to Lesson Five: Exponents & Division

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posted by Greedo
14. Greedo is right its:
1. x9/x2
B x7
2. h14/h5
D h9
3.4^4/4^6
C 1/16
4. 5^0
C 1
5. Replace the ____ with <, > or = to make a true statement. 7^4/7^2______49
C. =
6. -2r(8r + 5)
C
7. 4a(a^2+7a+4)
B 4a^3+28a^2+16a
8. (2y - 3) (3y - 2)
A 6y2 - 13y + 6

1. 👍 1
2. 👎 0
posted by 1
15. Greedo is right
1. B
2. D
3. C
4. C
5. C
6. C
7. B
8. A

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2. 👎 0

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