Math Problem Statement
- Provide a counterexample to disprove the statement: If x 2 > 4, then x > 2.
Solution
The statement "If , then " is false, and here’s a counterexample to disprove it:
Let .
-
If , then: Since , it is true that .
-
However, , and is not greater than . In fact, .
Thus, the statement "If , then " is false because satisfies , but does not satisfy .
Would you like more details or have any other questions?
Here are 5 related questions:
- Can you provide another counterexample for this statement?
- What would be the correct conclusion for ?
- How do we solve inequalities involving absolute values?
- Can ever be negative?
- How does squaring a number affect its sign?
Tip: When dealing with squared terms, always remember that both positive and negative numbers can result in the same squared value.
Ask a new question for Free
By Image
Drop file here or Click Here to upload
Math Problem Analysis
Mathematical Concepts
Algebra
Inequalities
Quadratic Functions
Formulas
x^2 > 4
Theorems
Properties of inequalities
Square root property
Suitable Grade Level
Grades 8-10