Quiz about Herzlich Willkommen im LK

Question 1

$$4+3\cdot5$$

Accepted Answer

19

Answer

35

Answer

23

Answer

12

Question 2

Gesucht werden die Nullstellen der Funktion:

$$f\left(x\right)=x^2-25$$

Accepted Answer

5 und -5

Answer

5

Answer

-5

Answer

Die Funktion hat keine Nullstellen.

Question 3

$$-5+\left(-2\cdot\left(-3\right)+1\right)-\left(4-6\right)$$

Accepted Answer

4

Answer

-10

Answer

-12

Answer

0

Question 4

Welche Funktionen haben den Grad 3?

Accepted Answer

$$f\left(x\right)=x^3+2x^2-5$$

Accepted Answer

$$f\left(x\right)=4\cdot x^2-5x^3$$

Accepted Answer

$$f\left(x\right)=\left(x^2+2x\right)\cdot x$$

Answer

$$f\left(x\right)=3x^4-x^3$$

Question 5

$$\frac{3}{4}+\frac{1}{2}$$

Accepted Answer

$$\frac{5}{4}$$

Answer

$$\frac{4}{6}$$

Answer

$$\frac{4}{3}$$

Answer

$$\frac{5}{6}$$

Question 6

$$\frac{2}{3}\cdot\frac{9}{4}-0,25$$

Accepted Answer

$$\frac{5}{4}$$

Accepted Answer

$$\frac{15}{12}$$

Answer

$$\frac{17}{4}$$

Answer

$$-\frac{7}{12}$$

Question 7

$$4\ \cdot\frac{2}{3}\ :\ \frac{1}{2}$$

Accepted Answer

$$\frac{16}{3}$$

Answer

$$\frac{8}{6}$$

Answer

$$\frac{4}{12}$$

Answer

$$\frac{4}{3}$$

Question 8

Wie viele Nullstellen hat die Funktion $$f\left(x\right)=2x^4-32$$ ?

Accepted Answer

keine

Answer

eine

Answer

zwei

Answer

vier

Question 9

Bestimme die Ableitung der Funktion:

$$f\left(x\right)=x-2x²$$

Accepted Answer

$$f$$

Question 10

Wenn der Graph von $$f\left(x\right)$$ in $$P\left(1\ I\ 3\right)$$ einen Extrempunkt hat, dann gelten die Bedingungen:

Accepted Answer

$$f\left(1\right)=3$$ und $$f$$

Answer

$$f\left(1\right)=0$$ und $$f$$

Answer

$$f\left(1\right)=0$$ und $$f$$

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