7th grade math Ms. Sue

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1.
–9p – 17 = 10 (1 point)

–3
16
18
–16

2.
w over four – 4 = 3 (1 point)

–4
28
3
11

3.
d over three+ 10 = 7 (1 point)

51
20
0
–9

4.
–2(m – 30) = –6m (1 point)

–15
–13
–8
8

5.
2.9n + 1.7 = 3.5 + 2.3n (1 point)

3
–3
.3
1

Simplify the expression.
6.
–6 – 7(c + 10) (1 point)

64 – 7c
–76 – 7c
4 – 13c
–16 – 13c

7.
2x + 3(x – 2) – 3(x – 6) (1 point)

2x + 12
2x – 8
8x – 24
2x – 24

Solve the inequality.
8.
c + 6 < –20 (1 point)

c < –26
c < –14
c < 26
c < 14

9.
d over thirteen ≥ –3 (1 point)

d ≥ –16
d ≥ 39
d ≥ 10
d ≥ –39

10.
–3p > –48 (1 point)

p < 16
p > –51
p < –16
p > 16

My answers:
1. -3
2. 28
3. -9
4. -15
5. 3
6. ????
7. ?????
8. c < –26
9. d ≥ –39
10. p < –16

  • 7th grade math Ms. Sue -

    The first five are right.

    6.
    –6 – 7(c + 10)
    -6 - 7c - 70
    -7c - 76

    You try number 7.

    I'm not sure about 8 - 10 as I don't remember inequalities from over 60 years ago.

  • 7th grade math Ms. Sue -

    Did you get them all right? what was #7?

  • 7th grade math Ms. Sue -

    1a
    2b
    3c
    4d
    5a
    6c
    7b
    8a
    9a
    10b
    11d
    12c
    13b
    14c
    15d
    16b
    17c
    18c

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