Build a question paper in 60 seconds.

1. A
   0
2. B
   2
3. C
   4
4. D
   8

Tap an option to check your answer.

1. A
   24
2. B
   12
3. C
   10
4. D
   6

Tap an option to check your answer.

1. A
   $1,\omega,\omega^2$
2. B
   $-1,\omega,\omega^2$
3. C
   $1,-\omega,\omega^2$
4. D
   $-1,-\omega,-\omega^2$

Tap an option to check your answer.

1. A
   $-1$
2. B
   $-\omega$
3. C
   $-\omega^2$
4. D
   $\omega$

Tap an option to check your answer.

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

Tap an option to check your answer.

1. A
   Real and equal
2. B
   Real and unequal
3. C
   Real iff $a>c$
4. D
   Complex but not real

Tap an option to check your answer.

1. A
   $\frac{a+c}{a+b}$ and $\frac{b}{a+b}$
2. B
   $\frac{a+c}{a+b}$ and $\frac{-b}{a+b}$
3. C
   $1$ and $\frac{c}{a+b}$
4. D
   $-1$ and $\frac{-c}{a+b}$

Tap an option to check your answer.

1. A
   0
2. B
   1
3. C
   $2^n$
4. D
   $n\cdot2^{n-1}$

Tap an option to check your answer.

1. A
   0
2. B
   $-2^{n-1}$
3. C
   $n\cdot2^{n-1}$
4. D
   1

Tap an option to check your answer.

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

Tap an option to check your answer.

1. A
   $\sqrt{x+1}-\sqrt[4]{x+1}$
2. B
   $\sqrt{x+1}-\sqrt[4]{x+1}+1$
3. C
   $\sqrt{x+1}+\sqrt[4]{x+1}$
4. D
   $\sqrt{x+1}-\sqrt{x+1}+1$

Tap an option to check your answer.

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

Tap an option to check your answer.

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

Tap an option to check your answer.

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

Tap an option to check your answer.

1. A
   $\left(-\frac{28}{3},0\right)$
2. B
   $\left(0,\frac{28}{3}\right)$
3. C
   $\left(0,\frac{50}{3}\right)$
4. D
   $\left(0,\frac{56}{3}\right)$

Tap an option to check your answer.