2.3 Exercises

From Förberedande kurs i matematik 1

(Difference between revisions)
Jump to: navigation, search
Line 27: Line 27:
{| width="100%" cellspacing="10px"
{| width="100%" cellspacing="10px"
|a)
|a)
-
|width="33%" | <math>x^2-2x</math>
+
|width="33%" | <math>x^2-4x+3=0</math>
|b)
|b)
-
|width="33%" | <math>x^2+2x-1</math>
+
|width="33%" | <math>y^2+2y-15=0</math>
|c)
|c)
-
|width="33%" | <math>5+2x-x^2</math>
+
|width="33%" | <math>y^2+3y+4=0</math>
-
 
+
|-
|d)
|d)
-
|width="33%" | <math>x^2+5x+3</math>
+
|width="33%" | <math>4x^2-28x+13=0</math>
|e)
|e)
-
|width="33%" | <math>x^2+5x+3</math>
+
|width="33%" | <math>5x^2+2x-3=0</math>
|f)
|f)
-
|width="33%" | <math>x^2+5x+3</math>
+
|width="33%" | <math>3x^2-10x+8=0</math>
|}
|}
-
</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

 

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

 

Övning 2.3:1

Kvadratkomplettera följande uttryck

a) \displaystyle x^2-2x b) \displaystyle x^2+2x-1 c) \displaystyle 5+2x-x^2 d) \displaystyle x^2+5x+3

Övning 2.3:2

Kvadratkomplettera följande uttryck

a) \displaystyle x^2-4x+3=0 b) \displaystyle y^2+2y-15=0 c) \displaystyle y^2+3y+4=0
d) \displaystyle 4x^2-28x+13=0 e) \displaystyle 5x^2+2x-3=0 f) \displaystyle 3x^2-10x+8=0