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2.3 Exercises

From Förberedande kurs i matematik 1

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===Övning 2.3:2===
===Övning 2.3:2===
<div class="ovning">
<div class="ovning">
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Kvadratkomplettera f&ouml;ljande uttryck
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L&ouml;s f&ouml;ljande andragradsekvationer med kvadratkomplettering
{| width="100%" cellspacing="10px"
{| width="100%" cellspacing="10px"
|a)
|a)

Revision as of 09:02, 1 April 2008

 

Template:Mall:Ej vald flik Template:Mall:Vald flik

 

Övning 2.3:1

Kvadratkomplettera följande uttryck

a) x22x b) x2+2x1 c) 5+2xx2 d) x2+5x+3

Övning 2.3:2

Lös följande andragradsekvationer med kvadratkomplettering

a) x24x+3=0 b) y2+2y15=0 c) y2+3y+4=0
d) 4x228x+13=0 e) 5x2+2x3=0 f) 3x210x+8=0