Question

Determine whether the mathematical sentences are quadratic inequalities or not. Write QI if the answer in equalities and N if it's not

1. 2a + 2020
2. (2s - 5)(s + 4) = 0
3. x² - 1 - x + 1
4. x² - 2 <2k - 3
5. 3 - 2 - 2² - 0

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Answer 1

Answer:

1 -

2 -

3 -

4 - Q

5 -