Bluebook SAT Test Linear Inequalities in One or Two Variables 5

Question 1

If 5 − 3x ≤ −4, which of the following MUST be true?

Accepted Answer

x ≥ 3

Answer

x ≤ 3

Answer

x ≤ −3

Answer

x ≥ −3

Question 2

A phone plan offers unlimited texts for $25/month or $0.05 per text. For how many texts does the unlimited plan become less expensive?

Accepted Answer

More than 500 texts

Answer

More than 400 texts

Answer

More than 250 texts

Answer

More than 350 texts

Question 3

What is the greatest integer that satisfies 4x + 9 < 25?

Accepted Answer

3

Answer

4

Answer

5

Answer

6

Question 4

Which inequality is equivalent to 3 − 4x ≥ 11?

Accepted Answer

x ≤ −2

Answer

x ≥ −2

Answer

x ≥ 2

Answer

x ≤ 2

Question 5

A swim team needs at least 8 members. It currently has 5. Which inequality shows additional members n needed?

Accepted Answer

5 + n ≥ 8

Answer

5 + n > 8

Answer

5 + n < 8

Answer

5 + n ≤ 8

Question 6

Solve: −5 ≤ 2x + 3 ≤ 9

Accepted Answer

−4 ≤ x ≤ 3

Answer

−1 ≤ x ≤ 6

Answer

−4 ≤ x ≤ 6

Answer

−1 ≤ x ≤ 3

Question 7

If 3a > 15 and 2b < 8, which of the following must be true?

Accepted Answer

a > b

Answer

a + b > 9

Answer

a − b > 1

Answer

ab > 20