College Algebra - Week 3

Quiz

Answer every question, then submit for automatic grading. 80% or above passes.

Question 1 · easy

Solve: 2x + 3 > 11. Write in interval notation.

Question 2 · easy

Solve: -3x <= 15. Write in interval notation.

Question 3 · medium

Solve: 4(x + 1) > 2(x + 5). Write in interval notation.

Question 4 · medium

Solve: -1 < 2x - 3 < 7. Write in interval notation.

Question 5 · medium

Solve: x + 2 < -1 OR x - 3 > 2. Write in interval notation.

Question 6 · easy

Solve: |x - 2| = 9

Question 7 · medium

Solve: |3x + 1| <= 10. Write in interval notation.

Question 8 · medium

Solve: |2x - 6| > 4. Write in interval notation.

Question 9 · medium

Solve: |x + 7| < 0. State solution.

Question 10 · challenge

A student must score between 70 and 90 inclusive to earn a B. Their test score is 5 more than twice a practice score p. What practice scores lead to a B?