2次式の因数分解/2次方程式の解 Quiz

12 questions

Show all answers

1.

MATH RESPONSE QUESTION

2 mins • 2 pts

因数分解せよ。
$12a^2b-6ab^2-4ab$

$2ab\left(6a-3b-2\right)$

Mathematical Equivalence

ON

2.

MATH RESPONSE QUESTION

2 mins • 2 pts

展開せよ。
$\left(4x-5\right)^2$

$16x^2-40x+25$

Mathematical Equivalence

OFF

3.

MATH RESPONSE QUESTION

2 mins • 2 pts

因数分解せよ。
$x^2+10x-39$

$\left(x+13\right)\left(x-3\right)$

Mathematical Equivalence

ON

4.

MATH RESPONSE QUESTION

2 mins • 2 pts

因数分解せよ。
$y^2-18y+81$

$\left(y-9\right)^2$

Mathematical Equivalence

OFF

5.

MATH RESPONSE QUESTION

2 mins • 2 pts

因数分解せよ。
$abx^2-16ab$

$ab\left(x+4\right)\left(x-4\right)$

Mathematical Equivalence

OFF

6.

MATH RESPONSE QUESTION

2 mins • 2 pts

因数分解せよ。
$49x^2-28xy+4y^2$

$\left(7x-2y\right)^2$

Mathematical Equivalence

OFF

7.

MATH RESPONSE QUESTION

2 mins • 1 pt

因数分解せよ。
$\left(x+5\right)^2+10\left(x+5\right)+16$

$\left(x+7\right)\left(x+13\right)$

Mathematical Equivalence

ON

8.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

$\left(x-5\right)^2=36$

x = 11 or x = -1

x = 1 or x = -11

x = 5 or x = -5

x = 6 or x = -6

9.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

$x^2-12x+36=0$

x = 6

x = 12

x = -6

x = 0

10.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

$x^2+3x-54=0$

x = 6, x = -9

x = 5, x = -10

x = 7, x = -8

x = 9, x = -6

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2次式の因数分解/2次方程式の解

因数分解せよ。 12a2b−6ab2−4ab12a^2b-6ab^2-4ab12a2b−6ab2−4ab

展開せよ。 (4x−5)2\left(4x-5\right)^2(4x−5)2

因数分解せよ。 x2+10x−39x^2+10x-39x2+10x−39

因数分解せよ。 y2−18y+81y^2-18y+81y2−18y+81

因数分解せよ。 abx2−16ababx^2-16ababx2−16ab

因数分解せよ。 49x2−28xy+4y249x^2-28xy+4y^249x2−28xy+4y2

因数分解せよ。 (x+5)2+10(x+5)+16\left(x+5\right)^2+10\left(x+5\right)+16(x+5)2+10(x+5)+16

(x−5)2=36\left(x-5\right)^2=36(x−5)2=36

x2−12x+36=0x^2-12x+36=0x2−12x+36=0

x2+3x−54=0x^2+3x-54=0x2+3x−54=0

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因数分解せよ。
$12a^2b-6ab^2-4ab$

展開せよ。
$\left(4x-5\right)^2$

因数分解せよ。
$x^2+10x-39$

因数分解せよ。
$y^2-18y+81$

因数分解せよ。
$abx^2-16ab$

因数分解せよ。
$49x^2-28xy+4y^2$

因数分解せよ。
$\left(x+5\right)^2+10\left(x+5\right)+16$

$\left(x-5\right)^2=36$

$x^2-12x+36=0$

$x^2+3x-54=0$