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Question 3.3. Solve the inequality.

3 – 2a > 7

(Points : 4)

a < –2

a < 2

a > –2

a > 2

Question 4.4. Solve the inequality.

3m ≤–9

(Points : 4)

m ≥–3

m ≤–6

m ≤–3

m ≥ 6

Question 5.5. Select the inequality that models the problem.

The sum of two consecutive odd integers is at least 76. Find the least possible pair of integers.

(Points : 4)

n + n + 1 > 76

n + n + 1 ≥ 76

n + n + 2 > 76

n + n + 2 ≥ 76

Question 6.6. Solve the inequality.

|x + 6| > 15

(Points : 4)

x > –21 or x < 9

x < –21 or x > 9

–9 < x < 9

–21 < x < 9

Question 7.7. Solve the conjunction and describe the solution set.

–5 ≤ 3m + 1 < 4

(Points : 4)

m ≥–2 and m < 1

m ≤–2 or m > 1

m ≥ and m <

m ≥ or m <

Question 8.8. Which expression is equivalent to |x| > 9?

(Points : 4)

x < –9 or x > 9

x > –9 or x < 9

x < –9 and x > 9

x > –9 and x < 9

Question 9.9. Solve the equation.

|x + 5| = 9

(Points : 4)

{–14, 4}

{–4, 14}

{4, 14}

{–14, –4}

Question 10.10. Which of the following inequalities can be used to represent a number x that is greater than –5 and less than 3?

(Points : 4)

–5 ≤ x ≤ 3

–5 < x < 3

–5 ≤ x < 3

–5 < x ≤ 3

Question 11.11. Which expression represents that an unknown number x exceeds 6?

(Points : 4)

x ≤ 6

x < 6

x > 6

x ≥ 6