Квадрат үшмүше

Квадрат үшмүше

8th Grade

10 Qs

quiz-placeholder

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Квадрат үшмүше

Квадрат үшмүше

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Medium

Created by

Молдир Бекбосунова

Used 113+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Квадрат теңдеудің формуласы қандай?

ax2+bx2+c=0ax^2+bx^2+c=0

ax2+bx+c=0ax^2+bx+c=0

ax3+bx2+c=0ax^3+bx^2+c=0

a2+bx+c=0a^2+bx+c=0

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 5x2+4x3=0 5x^2+4x-3=0\   квадрат теңдеудің коэффициенттерін тап?

a=5, b=-4, c=3

a=5, b=4, c=-3

a=-5, b= -4, c=-3

a=4, b=5, c= 3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Дискриминантың формуласын тап?

D=b2+4acD=b^2+4ac

D=b24acD=b^2-4ac

D=a22acD=a^2-2ac

D=b22acD=b^2-2ac

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 D>0D>0   дискриминанттың неше шешімі болады?

Бір шешімі

Екі шешімі

Шешімі болмайды

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 D<0D<0  болғанда дискриминанттың неше шешімі болады?

Бір шешімі

Екі шешімі

Шешімі болмайды

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 D=0D=0  болғанда дискриминанттың неше шешімі болады?

Бір шешімі

Екі шешімі

Шешімі болмайды

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 D>0  D>0\ \   Теңдеудің түбірлерін табу формуласы?

 x1=b±D2ax_1=\sqrt{\frac{-b\pm D}{2a}}   x1=b±D2ax_1=\sqrt{\frac{-b\pm D}{2a}}  

 x1.2=b±D2ax_{1.2}=\frac{-b\pm\sqrt{D}}{2a}  

 x1.2=b±D2x_{1.2}=\frac{b\pm\sqrt{D}}{2}  

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