Równania kwadratowe

Równania kwadratowe

9th Grade

18 Qs

quiz-placeholder

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Równania kwadratowe

Równania kwadratowe

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

Renata Powroźnik

Used 212+ times

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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Rozwiązanie równania x2 + 2x = 0 to:

x = 0 lub x = 2

x = 0 lub x = −2

x = 2

x = −2

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Rozwiązanie równania x2 − 9 = 0 to:

x = 3

x = -3 lub x = 3

x = 0 lub x = 3

x = 9

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oblicz wyróżnik trójmianu kwadratowego  y=2x22x 14y=2x^2−\sqrt{2}x\ -\frac{1}{4}  

 Δ=2\Delta=2  

 Δ=3\Delta=-3  

 Δ=1\Delta=1  

 Δ=4\Delta=4  

 Δ=2\Delta=-2  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rozwiązaniem  równania  36x2=6x36x^2=6x  jestest:

 x=3 , x=19x=3\ ,\ x=\frac{1}{9}  

 x=0 , x=16x=0\ ,\ x=\frac{1}{6}  

 x=0 , x=13x=0\ ,\ x=\frac{1}{3}  

 x=6 , x=16x=6\ ,\ x=\frac{1}{6}  

 x=16 , x=3x=\frac{1}{6}\ ,\ x=3  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rozwiąż równanie  x+10=3x2x+10=3x^2  

 x1=53 , x2=2x_1=\frac{5}{3}\ ,\ x_2=-2  

 x1=53 , x2=2x_1=-\frac{5}{3}\ ,\ x_2=2  

 x1=53 , x2=2x_1=\frac{5}{3}\ ,\ x_2=2  

 x1=5 , x2=6x_1=5\ ,\ x_2=-6  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rozwiązanie równania  4x(x+6)=04x(x+6)=0  to:

 x1=0, x2=6x_1=0,\ x_2=−6  

 x1=0 , x2=6x_1=0\ ,\ x_2=6  

 x1=0 , x2=212x_1=0\ ,\ x_2=\frac{2}{12}  

 x2=3 , x1=16x_2=3\ ,\ x_1=-\frac{1}{6}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Miejscami zerowymi funkcji y=12x2+x+4y=-\frac{1}{2}x^2+x+4  są liczby

4 i -2

-4 i 2

-2 i 1

2 i -1

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