Quadratic Inequalities
Try the first 5 questions
- 1.
The solution of x^2 - 6x + 9 <= 0 is:
- 2.
The solution of -x^2 + 4x - 3 > 0 is:
- 3.
If x^2 + 2x + k > 0 for all x, then:
- 4.
The domain of sqrt(x^2 - 9) is:
- 5.
The solution set of x^2 - 4x + 3 > 0 is:
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