Question 12
InequalitiesWhich of the following lines represents the solution of the inequality 7x < 9x − 4?
- A.Diagram A
- B.Diagram B
- C.Diagram C
- D.Diagram D
Show the answer and explanation
Answer: A (Diagram A)
Explanation
7x − 9x < −4 gives −2x < −4, so x > 2. That is an open circle at 2 with the arrow pointing right, as in A.