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2.3 Exercises

From Förberedande kurs i matematik 1

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{| width="100%" cellspacing="10px"
{| width="100%" cellspacing="10px"
|a)
|a)
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|width="33%" | <math>x^2-2x</math>
+
|width="33%" | <math>x^2-4x+3=0</math>
|b)
|b)
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|width="33%" | <math>x^2+2x-1</math>
+
|width="33%" | <math>y^2+2y-15=0</math>
|c)
|c)
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|width="33%" | <math>5+2x-x^2</math>
+
|width="33%" | <math>y^2+3y+4=0</math>
-
 
+
|-
|d)
|d)
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|width="33%" | <math>x^2+5x+3</math>
+
|width="33%" | <math>4x^2-28x+13=0</math>
|e)
|e)
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|width="33%" | <math>x^2+5x+3</math>
+
|width="33%" | <math>5x^2+2x-3=0</math>
|f)
|f)
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|width="33%" | <math>x^2+5x+3</math>
+
|width="33%" | <math>3x^2-10x+8=0</math>
|}
|}
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</div>{{#NAVCONTENT:Svar|Svar 2.3:1|Lösning a|Lösning 2.3:1a|Lösning b|Lösning 2.3:1b|Lösning c|Lösning 2.3:1c|Lösning d|Lösning 2.3:1d}}
+
</div>{{#NAVCONTENT:Svar|Svar 2.3:2|Lösning a|Lösning 2.3:2a|Lösning b|Lösning 2.3:2b|Lösning c|Lösning 2.3:2c|Lösning d|Lösning 2.3:2d|Lösning e|Lösning 2.3:2e|Lösning f|Lösning 2.3:2f}}

Revision as of 09:00, 1 April 2008

 

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Övning 2.3:1

Kvadratkomplettera följande uttryck

a) x2−2x b) x2+2x−1 c) 5+2x−x2 d) x2+5x+3

Svar | Lösning a | Lösning b | Lösning c | Lösning d

Övning 2.3:2

Kvadratkomplettera följande uttryck

a) x2−4x+3=0 b) y2+2y−15=0 c) y2+3y+4=0
d) 4x2−28x+13=0 e) 5x2+2x−3=0 f) 3x2−10x+8=0

Svar | Lösning a | Lösning b | Lösning c | Lösning d | Lösning e | Lösning f

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