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Kwadratische vergelijkingen oplossen

Authored by Ruth Stocker

Mathematics

9th Grade

Used 16+ times

Kwadratische vergelijkingen oplossen
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Los op

 50−2x2=050-2x^2=0  

 x=12,5x=12,5  

 geen oplossin⁡ggeen\ oplos\sin g  

 x=5 of x=−5x=5\ of\ x=-5  

 x=25 of x=−25x=25\ of\ x=-25  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Los op


 20x2−8x=020x^2-8x=0  

 x=0 of x=45x=0\ of\ x=\frac{4}{5}  

 x=12 of x=0x=12\ of\ x=0  

 geen oplossin⁡ggeen\ oplos\sin g  

 x=0x=0  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Los op

 (4−2x)(3x+6)=0\left(4-2x\right)\left(3x+6\right)=0  

 geen oplossin⁡ggeen\ oplos\sin g  

 x=0x=0  

 x=−4 of x= 1x=-4\ of\ x=\ 1  

 x=2 of x=−2x=2\ of\ x=-2  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Los op

 x2−5x−84=0x^2-5x-84=0  

 x=−12 of x=7x=-12\ of\ x=7  

 geen oplossin⁡ggeen\ oplos\sin g  

 x=12 of x=−7x=12\ of\ x=-7  

 x=−7 of x=−12x=-7\ of\ x=-12  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Los op

 400−(x−8)2=0400-\left(x-8\right)^2=0  

 x=20 of x=−20x=20\ of\ x=-20  

 x=8 of x=−8x=8\ of\ x=-8  

 x=28 of x=−12x=28\ of\ x=-12  

 geen oplossin⁡ggeen\ oplos\sin g  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Los op

 16x2=24x16x^2=24x  

 x=0 of x=−112x=0\ of\ x=-1\frac{1}{2}  

 geen oplossin⁡ggeen\ oplos\sin g  

 x=0x=0  

 x=112 of x=0x=1\frac{1}{2}\ of\ x=0  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Los op

 2x2+22x+20=02x^2+22x+20=0  

 geen oplossin⁡ggeen\ oplos\sin g  

 x=−0,46 of x=−21,54x=-0,46\ of\ x=-21,54  

 x=10 of x=1x=10\ of\ x=1  

 x=−10 of x=−1x=-10\ of\ x=-1  

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