Quadratic Equation - Algebra -Single Correct Type Questions(JEE ADVANCED) Part 2

 Q.1

Correct Answer is:C

Solution Explain:

Q.2

Correct Answer is:A

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Q.3

Correct Answer is:B

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Q.4

Correct Answer is:C

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Q.5

Correct Answer is:A

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Q.6

Correct Answer is:C

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Q.7

Correct Answer is:D

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Q.8

Correct Answer is:D

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Q.9

Correct Answer is:B

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Q.10

Correct Answer is:B

Solution Explain:

Let f (x) = ax2 + x + c – a
f (1) = c + 1 > 0 (∵ c > –1)
∴ Given expression is positive for every x ∈ R

⇒ 4c + 2 > 3a.

Q.11

Correct Answer is:A

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Q.12

Correct Answer is:C

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Q.13

Correct Answer is:C

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Q.14

Correct Answer is:B

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Q.15

Correct Answer is:C

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Q.16

Correct Answer is:A

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Q.17

Correct Answer is:A

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Q.18

Correct Answer is:C

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Q.19

Correct Answer is:A

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Q.20

Correct Answer is:D

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Q.21

Correct Answer is:D

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Q.22

Correct Answer is:A

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Q.23

Correct Answer is:C

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Q.24

Correct Answer is:B

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Q.25

Correct Answer is:B

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Q.26

Correct Answer is:A

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Q.27

Correct Answer is:B

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Q.28

Correct Answer is:A

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Q.29

Correct Answer is:C

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Q.30

Correct Answer is:C

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Q.31

Correct Answer is:B

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Q.32

Correct Answer is:C

Solution Explain:

Q.33

Correct Answer is:B

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Q.34

Correct Answer is:D

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Q.35

Correct Answer is:D

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Q.36

Correct Answer is:D

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Q.37

Correct Answer is:A

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Q.38

Correct Answer is:A

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Q.39

Correct Answer is:C

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Q.40

Correct Answer is:D

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