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解一元二次方程式

Authored by 胡淑雅 胡淑雅

Mathematics

8th Grade

Used 1+ times

解一元二次方程式
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. x2-9x=0

x=3 or x=6
x=1 or x=8
x=5 or x=4
x=0 or x=9

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x2+5x=0

x=0, x=-5
x=5, x=0
x=2, x=-3
x=1, x=6

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x2+11x=0

x=11 or x=0
x=1 or x=-10
x=5 or x=-6
x=0 or x=-11

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x2-64x=0

x=0 or x=8
x=0 or x=16
x=0 or x=32
x=0 or x=64

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x2+8x=0

x=0, x=-8
x=10, x=-6
x=4, x=-2
x=3, x=-5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

解方程式(和的平方公式) x2+2x+1=0

x = 1

x = -1(重根)

x = -1

x = 1(重根)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

解方程式(和的平方公式) x2+10x+25=0

x=-25(重根)

x=25(重根)

x=5(重根)

x=-5(重根)

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