1. A
   1 and 2 only
2. B
   2 and 3 only
3. C
   1 and 3 only
4. D
   1, 2 and 3

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1. A
   2
2. B
   3
3. C
   4
4. D
   6

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1. A
   1 only
2. B
   2 only
3. C
   Both 1 and 2
4. D
   Neither 1 nor 2

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1. A
   1 only
2. B
   2 only
3. C
   Both 1 and 2
4. D
   Neither 1 nor 2

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1. A
   1 only
2. B
   2 only
3. C
   Both 1 and 2
4. D
   Neither 1 nor 2

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1. A
   -1
2. B
   1
3. C
   $\sqrt{2}$
4. D
   2

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1. A
   $\beta = -2\alpha^2 - 2\alpha$
2. B
   $\beta = 4\alpha^2 - 3\alpha$
3. C
   $\beta = \alpha^2 - 3\alpha$
4. D
   $\beta = -2\alpha^2 + 2\alpha$

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1. A
   2
2. B
   3
3. C
   5
4. D
   8

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1. A
   42
2. B
   35
3. C
   21
4. D
   20

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1. A
   8064
2. B
   4032
3. C
   2016
4. D
   1008

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1. A
   $2+2^2+2^3+\cdots+2^n$
2. B
   $1+2+2^2+2^3+\cdots+2^n$
3. C
   $1+2+2^2+2^3+\cdots+2^{n-1}$
4. D
   $2+2^2+2^3+\cdots+2^{n-1}$

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1. A
   1
2. B
   2
3. C
   $n$
4. D
   $2n$

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1. A
   -500
2. B
   -250
3. C
   500
4. D
   250

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1. A
   1 only
2. B
   2 only
3. C
   Both 1 and 2
4. D
   Neither 1 nor 2

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1. A
   5
2. B
   4
3. C
   3
4. D
   0

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1. A
   $x^2 - 5x + 4$
2. B
   $x^2 - 5x + 6$
3. C
   $x^2 + 3x + 3$
4. D
   $x^2 - 3x + 1$

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1. A
   $x \in \{-2\}$
2. B
   $x \in \{4\}$
3. C
   $x \in \{-2, 4\}$
4. D
   $x \in \{-4, 2\}$

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1. A
   81
2. B
   243
3. C
   729
4. D
   Cannot be determined due to insufficient data

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1. A
   0
2. B
   2
3. C
   4
4. D
   6

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1. A
   128
2. B
   64
3. C
   32
4. D
   0

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1. A
   14 units
2. B
   10.5 units
3. C
   7 units
4. D
   3.5 units

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1. A
   $(2, 10)$
2. B
   $(2, 9)$
3. C
   $(3, 9)$
4. D
   $(4, 10)$

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1. A
   $pq + 1 = 0$
2. B
   $p + q + 1 = 0$
3. C
   $pq - 1 = 0$
4. D
   $p - q + 1 = 0$

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1. A
   $(0, 0)$
2. B
   $(-1, 1)$
3. C
   $(1, -2)$
4. D
   $(1, -1)$

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1. A
   $y = x$
2. B
   $y = 2x$
3. C
   $4y = x$
4. D
   $y = 4x$

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