# Math

Hi everyone, my name is Emerson. I was wondering if anybody could help me on a test. I'm stuck on some, but I think I know some others. Thank you!

1. Translate the phrase "nine more than two times a number" in to an algebraic expression.

A. 9x + 2
B. 2x + 9
C. 9x - 2
D. 2x - 9

Could it be "B"?

2. Evaluate the expression 3m - 5 when m = 7.

A. 2
B. 16
C. 21
D. 28

Could it be "B"?

3. Simplify 4x + 8y - 3x + 2 y.

A. 12x - y
B. 22x + y
C. 6x + 5y
D. x + 10y

4. Factor 24p + 64.

A. 24(p + 40)
B. 12(2p + 5)
C. 8(3p + 8)
D. 3(8p + 21)

Could it be “C”?

5. m + 8 = 22

A. -30
B. 14
C. -14
D. 30

Could it be “B”?

6. W – 8 = -12

A. -20
B. -4
C. 4
D. 20

Could it be “B”?

7. 3q = 12

A. 4
B. 9
C. 15
D. 36

Could it be “A”?

8. q/6 = 24

A. 4
B. 8
C. 30
D. 144

Could it be “D”?

9. 3b – 9 = 15

A. 8
B. 6
C. 2
D. -2

Could it be “A”?

10. y/5 + 10 = -15

A. -125
B. -25
C. -5
D. -1

Could it be “A”?

11. -3(4 – a) = 6

A. -6
B. -2
C. 2
D. 6

Could it be “D”?

12. 5(x + 6) = 45

A. 15
B. 3
C. -3
D. -15

Could it be “B”?

13. Brandon is bringing bottled water to a picnic. He has 4 full cases of bottles of water, and a bag with 8 more bottles. He has a total of 104 bottles of water. Write and solve an equation to find the number of bottles in each case.

A. x/4 + 8 = 104; x = 384
B. x/4 – 8 = 104; x = 448
C. 4x + 8 = 104; x = 24
D. 4x – 8 = 104; x = 28

14. Which is a solution of h > -6?

A. -10
B. -8
C. -6
D. -4

Could it be “D”?

15. z – 4 > 9

A z > -13
B z > -8
C z > 5
D z > 13

16. q + 7 less than/equal to – 15

A. q less than/equal to -22
B. q less than/equal to -8
C. q less than/equal to 8
D. q less than/equal to 15

17. -3y > 9

A. y < 3
B. y > 3
C. y < -3
D. y > -3

18. k/5 greater than/equal to -4

A. k greater than/equal to -20
B. k less than/equal to -20
C. k greater than/equal to 20
D. k less than/equal to 20

19. 4g – 8 < 20

A. g > 3
B. g < 3
C. g > 7
D. g < 7

20. v/-2 + 12 less than/equal to 8

A. v greater than/equal to 8
B. v less than/equal to 8
C. v greater than/equal to -8
D. v less than/equal to -8

Thanks!

1. 👍 5
2. 👎 0
3. 👁 2,100
1. The ones where you designate an answer are all correct. Give your best answer for the remainder.

1. 👍 0
2. 👎 0
2. #3
4x + 8y - 3x + 2 y
= 4x - 3x + 8y + 2y
= x + 10y

the others from #1 to #12 are correct

#13
let number of bottles in a case be x
so you have 4x + 8 bottole
4x+8 = 104
4x = 96
x = 24

#14 , ok

#15
z – 4 > 9
z > 13

#16

q + 7 ≤ – 15 , subtract 7 from both sides
q ≤ -22

#17
-3y > 9 , divide by -3, so you MUST reverse the inequality sign
y < -3

#18
k/5 ≥ -4 , multiply both sides by +5
k ≥ -20

#19
4g – 8 < 20
4g < 28
g < 7

#20
v/-2 + 12 ≤ 8 , subtract 12
v/-2 ≤ -4 , multiply by -2, reverse inequality sign
v ≥ 8

For the most part, when working with inequalities, pretend they are equations and perform the same steps, EXCEPT when multiplying or dividing by a negative, you must reverse the inequality sign.
This is usually your last step

1. 👍 2
2. 👎 1
3. Thank you so much Reiny! I got 100%

1. 👍 0
2. 👎 0
4. thank you i got 100

1. 👍 0
2. 👎 0
5. Same unreal

1. 👍 1
2. 👎 0
6. 1B
2B
3D
4C
5B
6B
7A
8D
9A
10A
11D
12B
13C
14B
15C
16D
17A
18C
19A
20D
21A

1. 👍 3
2. 👎 1
7. 1.B
2.B
3.D
4.C
5.B
6.B
7.A
8.D
9.A
10.A
11.D
12.B
13.C
14.D
15.C
16.D
17.A
18.C
19.A
20.D
21.A

1. 👍 22
2. 👎 1
8. @ hey number 14 is D..

1. 👍 3
2. 👎 0
9. Eliza! Your answers were right. I got 100% on my test! Thank you~! c:

1. 👍 2
2. 👎 0
10. lol unreal

1. 👍 1
2. 👎 0
11. 1.B
2.B
3.D
4.C
5.B
6.B
7.A
8.D
9.A
10.A
11.D
12.B
13.C
14.D
15.C
16.D
17.A
18.C
19.A
20.D
21.A (Eliza is Correct to)

1. 👍 1
2. 👎 1
12. Thank you got a 100%

1. 👍 0
2. 👎 0
13. Eliza is 100% right. Also thanks for helping me check my answers. :)

1. 👍 1
2. 👎 0
14. Thank you Eliza! (:

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