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April 21, 2014

April 21, 2014

Posted by **Delilah** on Tuesday, December 18, 2012 at 8:54pm.

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

My answers:

3. 7x + 5 = 4x + 5 + 3x

5. k < 0

6. q ≥ –1

7. p < 8

8. g > –90

9. n – 6 ≥ 2; n ≥ 8

- 7th grade math help Ms. Sue -
**Steve**, Tuesday, December 18, 2012 at 11:06pm3. ok

5. ok

6. ok

7. ok

8. not quite. You changed the direction ok, but you actually have to do the multiplication. (-5)(-18) = 90, so g>90

If you just multiply by 5, then you are left with -g < -90

9. ok

pretty good work!

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