A | math4u.vsb.cz

9000032013

Level:

A

Evaluate

tg (\frac{π}{6})

.

\frac{\sqrt{3}}{3}

0

- \sqrt{3}

- \frac{\sqrt{3}}{3}

\frac{\sqrt{2}}{2}

- \frac{\sqrt{2}}{2}

9000033702

Level:

A

Find the domain of the following expression.

\sqrt{- x^{2} + 7 x - 12} - \frac{1}{x}

[3; 4]

R ∖ {0}

R ∖ {0; 3; 4}

(3; 4)

(- \infty; 3) \cup (4; \infty)

(- \infty; 3] \cup [4; \infty)

9000032014

Level:

A

Evaluate

cotg (\frac{π}{6})

.

\sqrt{3}

- \frac{1}{2}

- \frac{\sqrt{3}}{2}

0

undefined

- \sqrt{3}

9000032012

Level:

A

Evaluate

cotg (\frac{π}{3})

.

\frac{\sqrt{3}}{3}

- \frac{1}{2}

\frac{\sqrt{2}}{2}

- \sqrt{3}

- \frac{\sqrt{3}}{3}

- \frac{\sqrt{2}}{2}

9000032101

Level:

A

Evaluate

\sin (\frac{π}{2})

.

1

- \frac{\sqrt{2}}{2}

- \sqrt{3}

\sqrt{3}

\frac{\sqrt{2}}{2}

\frac{\sqrt{3}}{3}

9000033303

Level:

A

Find the solution set of the following equation.

\frac{4 x + 8}{x + 2} = 0

\emptyset

{- 2}

{2}

{- \frac{3}{4}}

9000032102

Level:

A

Evaluate

\sin (0)

.

0

\frac{\sqrt{2}}{2}

- \sqrt{3}

- 1

\sqrt{3}

- \frac{\sqrt{3}}{3}

9000033301

Level:

A

Find the solution set of the following equation.

\frac{3 x + 6}{2 - x} = 0

{- 2}

\emptyset

{2}

R ∖ {2}

9000032103

Level:

A

Evaluate

\sin (\frac{5 π}{2})

.

1

- \frac{\sqrt{3}}{3}

- \frac{\sqrt{2}}{2}

\sqrt{3}

\frac{\sqrt{3}}{3}

\frac{\sqrt{2}}{2}

9000033302

Level:

A

Find the solution set of the following equation.

\frac{4 x - 2}{2 x - 1} = 2

R ∖ {\frac{1}{2}}

R

{2}

\emptyset