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HEC ETC - USAT CS Entry Test - Mathematics - Number Systems - Quiz 2

Practice 10 high yield MCQs on Mathematics from Chapter Number Systems for USAT CS Entry Test. After submission, get instant results with correct answers and detailed explanations. This is Quiz 2 of the series.

11. What is the value of i²?



12. What is the conjugate of a + bi?



13. What is the sum of (2 + 3i) and (4 - 2i)?



14. What is the product of (2 + 3i) and (1 - i)?



15. What does |x| represent?



16. What is | -5 |?



17. What does the interval [a, b] represent?



18. Which interval includes numbers between 2 and 5 excluding the endpoints?



19. What does mathematical induction prove statements for?



20. What is the first step of mathematical induction?



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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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