All are good except #7
g/-5 < -18
to "clear" the -5, we multiply both sides by -5, thus reversing the inequality sign
g > +90 , which is C
(looks like you added the -5)
1. 5h – 9 = –16 + 6h
A) 4
B) –7
C) 7 <-------------------------
D) 10
2. 4x + 4 = 9x – 36
A) -8
B) –7
C) 8 <-------------------------
D) –3
3. Which of the following equations has an infinite number of solutions?
A) 3x – 3 = –4x
B) 2y + 4 – y = 16
C) 7x + 5 = 4x + 5 + 3x <-----------
D) 6y – 2 = 2(y – 1)
4. Write an inequality for the word sentence: k is less than zero.
A) k > 0
B) k ≥ 0
C) k < 0 <-------------------------
D) k ≤ 0
5. q – 12 ≥ –13
A) q ≥ 1 <-------------------------
B) q ≥ –1
C) q ≥ 25
D) q ≥ –25
6. 12p < 96
A) p < 8 <---------------------
B) p < 108
C) p < 84
D) p < –8
7. g/-5 < –18
A) g < –23 <---------------------
B) g > –90
C) g > 90
D) g < 90
8. The result of 6 subtracted from a number n is at least 2. What numbers are solutions?
A) n – 2 > 6; n > 8
B) n – 6 ≥ 2; n ≥ 8<----------------
C) n + 6 ≥ 2; n ≤ 4
D) n + 6 ≥ 2; n ≥ 4
2 answers
I got them right, except on #5 the answer is B.