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Квадрат тендеу

Authored by Пернебай Искахов

Mathematics

3rd Grade

Used 9+ times

Квадрат тендеу
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Дискриминатты табу формуласын көрсет

D=b24abD=b^2-4ab

D=b24acD=b^2-4ac

D=a24bcD=a^2-4bc

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Квадрат теңдеуді шешу формуласын көрсет

x1,2=b±D2ax_{1,2}=\frac{b\pm\sqrt{D}}{2a}

x1,2=b±D2cx_{1,2}=\frac{-b\pm\sqrt{D}}{2c}

x1,2=b±D2ax_{1,2}=\frac{-b\pm\sqrt{D}}{2a}

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Виет теоремасын көрсет

x1+x2=p; x1x2=qx_1+x_2=p;\ \ \ \ x_1\cdot x_2=q

x1+x2=p; x1x2=qx_1+x_2=-p;\ \ \ \ x_1\cdot x_2=q

x1+x2=q; x1x2=px_1+x_2=-q;\ \ \ x_1\cdot x_2=-p

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Үшмүшені көбейткіштерге жіктеу формуласын көрсет

a(xx1)2a\left(x-x_1\right)^2

a(x+x1)2a\left(x+x_1\right)^2

a(xx1)(xx2)a\left(x-x_1\right)\left(x-x_2\right)

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Дискриминантын есепте: 2х2+3х-7=0

65

47

84

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Квадрат теңдеуді шеш: 3у2-8у+4=0

2; 232;\ \frac{2}{3}

2; 23-2;\ -\frac{2}{3}

-2; -3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Квадрат теңдеудің коэффициенттерін ата:  (2x3)2=3x(x+2) \left(2x-3\right)^2=3x\left(x+2\right)\   

a=3; b=-7; c=-8

a=5; b=-12; c=-7

a=1; b=-18; c=9

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