7th grade math Ms. Sue please
posted by Delilah on .
1.
5h – 9 = –16 + 6h (1 point)
4
–7
7
10
2.
4x + 4 = 9x – 36 (1 point)
–8
–7
8
–3
3.
Which of the following equations has an infinite number of solutions? (1 point)
3x – 3 = –4x
2y + 4 – y = 16
7x + 5 = 4x + 5 + 3x
6y – 2 = 2(y – 1)
5.
Write an inequality for the word sentence: k is less than zero. (1 point)
k > 0
k ≥ 0
k < 0
k ≤ 0
Solve the inequality.
6.
q – 12 ≥ –13 (1 point)
q ≥ 1
q ≥ –1
q ≥ 25
q ≥ –25
7.
12p < 96 (1 point)
p < 8
p < 108
p < 84
p < –8
8.
g/–5 < –18 (1 point)
g < –23
g > –90
g > 90
g < 90
9.
The result of 6 subtracted from a number n is at least 2. What numbers are solutions? (1 point)
n – 2 > 6; n > 8
n – 6 ≥ 2; n ≥ 8
n + 6 ≥ 2; n ≤ 4
n + 6 ≥ 2; n ≥ 4
You have $59.95 in your wallet and want to buy some new CDs. If the CDs are $11.99 each, what number of CDs, x, can you buy? Write and solve an inequality.
My answers:
1. 7
2. 8
3. 7x + 5 = 4x + 5 + 3x
5. k < 0
6. q ≥ –1
7. p < 8
8. g > –90
9. n – 6 ≥ 2; n ≥ 8
10. ???????

The first two are right.

What about the others?

they all right

10 I don't know

1. C
2. C
3. C
4. B
5. C
6. B
7. A
8. C
9. B
100% promised