MatematikC.OpgaverTilToLigningerMedToUbekendte History
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September 02, 2010, at 07:40 PM
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Changed line 1 from:
(:nogroupheader:)
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(:noleft:) (:noheader:) (:notitle:)(:nogroupheader:)
August 29, 2010, at 02:21 PM
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Changed lines 57-58 from:
->3) {$\{ (x,y) \vert \; y=2x+5 \}$} (alle talpar (x,y), som opfylder ligningen y=2x+5)
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->3) {$\{ (x,y) \vert \; y=2x+5 \}$} (alle talpar (x,y), som opfylder ligningen y=2x+5)
August 29, 2010, at 02:20 PM
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Changed line 59 from:
->4) {$\displaystyle x=\frac{229}{59} \quad \text{ og } \quad y=\frac{-91}{59}$}
to:
->4) L=Ø (ingen løsninger)
August 29, 2010, at 02:18 PM
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Changed lines 57-58 from:
->3) {$\{ (x,y) \vert y=2x+5 \}$} (alle talpar (x,y), som opfylder ligningen y=2x+5)
to:
->3) {$\{ (x,y) \vert \; y=2x+5 \}$} (alle talpar (x,y), som opfylder ligningen y=2x+5)
August 29, 2010, at 02:17 PM
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Changed lines 57-58 from:
->3) {$\{ (x,y) \| y=2x+5 \}$} (alle talpar (x,y), som opfylder ligningen y=2x+5)
to:
->3) {$\{ (x,y) \vert y=2x+5 \}$} (alle talpar (x,y), som opfylder ligningen y=2x+5)
August 29, 2010, at 02:16 PM
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Changed lines 33-34 from:
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\\
Changed lines 45-60 from:
->4) {$x+2y-2=0 \quad \text{ og } \quad 3x+6y+4=0$}
to:
->4) {$x+2y-2=0 \quad \text{ og } \quad 3x+6y+4=0$}
(:toggle div=opgave2 init=hide lshow="Vis facitter" lhide="Skjul facitter":)
>>id=opgave2 indent border-left="2px solid #d5a958" padding="1px 0 3px 10px" <<
'''Facitter'''
->1) {$\displaystyle x=\frac{16}{3} \quad \text{ og } \quad y=\frac{53}{3}$}
->2) {$x=3 \quad \text{ og } \quad y=7$}
->3) {$\{ (x,y) \| y=2x+5 \}$} (alle talpar (x,y), som opfylder ligningen y=2x+5)
->4) {$\displaystyle x=\frac{229}{59} \quad \text{ og } \quad y=\frac{-91}{59}$}
>><<
(:toggle div=opgave2 init=hide lshow="Vis facitter" lhide="Skjul facitter":)
>>id=opgave2 indent border-left="2px solid #d5a958" padding="1px 0 3px 10px" <<
'''Facitter'''
->1) {$\displaystyle x=\frac{16}{3} \quad \text{ og } \quad y=\frac{53}{3}$}
->2) {$x=3 \quad \text{ og } \quad y=7$}
->3) {$\{ (x,y) \| y=2x+5 \}$} (alle talpar (x,y), som opfylder ligningen y=2x+5)
->4) {$\displaystyle x=\frac{229}{59} \quad \text{ og } \quad y=\frac{-91}{59}$}
>><<
August 29, 2010, at 02:02 PM
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Added line 33:
August 29, 2010, at 02:02 PM
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Changed lines 18-19 from:
\\
to:
(:toggle div=opgave1 init=hide lshow="Vis facitter" lhide="Skjul facitter":)
>>id=opgave1 indent border-left="2px solid #d5a958" padding="1px 0 3px 10px" <<
'''Facitter'''
->1) {$x=12 \quad \text{ og } \quad y=32$}
->2) {$\displaystyle x=\frac{17}{9} \quad \text{ og } \quad y=\frac{20}{9}$}
->3) {$\displaystyle x=\frac{41}{15} \quad \text{ og } \quad y=\frac{61}{30}$}
->4) {$\displaystyle x=\frac{229}{59} \quad \text{ og } \quad y=\frac{-91}{59}$}
>><<
August 26, 2010, at 02:48 AM
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Added lines 17-30:
\\
'''Opgave 2'''
Løs ligningssystemerne
->1) {$y=5x-9 \quad \text{ og } \quad y=2x+7$}
->2) {$x+y-10=0 \quad \text{ og } \quad 2x-y+1=0$}
->3) {$2x-y+5=0 \quad \text{ og } \quad 4x-2y+10=0$}
->4) {$x+2y-2=0 \quad \text{ og } \quad 3x+6y+4=0$}
August 26, 2010, at 02:43 AM
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Changed lines 10-16 from:
1) {$y=2x+8 \quad \text{ og } \quad y=3x-4$}
2) {$y=7x-11 \quad \text{ og } \quad y=-2x+6$}
3) {$4x+2y=15 \quad \text{ og } \quad 3x-6y+4=0$}
4) {$6x-5y=31 \quad \text{ og } \quad 7x+4y=21$}
2) {$y=7x-11 \quad \text{ og } \quad y=-2x+6$}
3) {$4x+2y=15 \quad \text{ og } \quad 3x-6y+4=0$}
4) {$6x-5y=31 \quad \text{ og } \quad 7x+4y=21$}
to:
->1) {$y=2x+8 \quad \text{ og } \quad y=3x-4$}
->2) {$y=7x-11 \quad \text{ og } \quad y=-2x+6$}
->3) {$4x+2y=15 \quad \text{ og } \quad 3x-6y+4=0$}
->4) {$6x-5y=31 \quad \text{ og } \quad 7x+4y=21$}
->2) {$y=7x-11 \quad \text{ og } \quad y=-2x+6$}
->3) {$4x+2y=15 \quad \text{ og } \quad 3x-6y+4=0$}
->4) {$6x-5y=31 \quad \text{ og } \quad 7x+4y=21$}
August 26, 2010, at 02:43 AM
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Changed lines 10-16 from:
1) {$y=2x+8 \quad \text{ og } \quad y=3x-4$}
to:
1) {$y=2x+8 \quad \text{ og } \quad y=3x-4$}
2) {$y=7x-11 \quad \text{ og } \quad y=-2x+6$}
3) {$4x+2y=15 \quad \text{ og } \quad 3x-6y+4=0$}
4) {$6x-5y=31 \quad \text{ og } \quad 7x+4y=21$}
2) {$y=7x-11 \quad \text{ og } \quad y=-2x+6$}
3) {$4x+2y=15 \quad \text{ og } \quad 3x-6y+4=0$}
4) {$6x-5y=31 \quad \text{ og } \quad 7x+4y=21$}
August 26, 2010, at 02:40 AM
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Changed line 10 from:
1) {$y=2x+8 \quad \text{ og } \quad y=3x-4$}
to:
1) {$y=2x+8 \quad \text{ og } \quad y=3x-4$}
August 26, 2010, at 02:40 AM
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Changed line 10 from:
1) {$y=2x+8 \text{ og } y=3x-4$}
to:
1) {$y=2x+8 \quad \text{ og } \quad y=3x-4$}
August 26, 2010, at 02:39 AM
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Changed line 10 from:
1) {$$y=2x+8 \text{ og } y=3x-4$$}
to:
1) {$y=2x+8 \text{ og } y=3x-4$}
August 26, 2010, at 02:39 AM
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Changed line 10 from:
{$$y=2x+8 \text{ og } y=3x-4$$}
to:
1) {$$y=2x+8 \text{ og } y=3x-4$$}
August 26, 2010, at 02:38 AM
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Changed lines 4-5 from:
\\
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\\\\
August 26, 2010, at 02:38 AM
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Changed lines 2-5 from:
Opgaver til to ligninger med to ubekendte
\\\\
\\\\
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!Opgaver til to ligninger med to ubekendte
\\
\\
August 26, 2010, at 02:38 AM
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Added lines 1-10:
(:nogroupheader:)
Opgaver til to ligninger med to ubekendte
\\\\
'''Opgave 1'''
Løs ligningssystemerne
{$$y=2x+8 \text{ og } y=3x-4$$}
Opgaver til to ligninger med to ubekendte
\\\\
'''Opgave 1'''
Løs ligningssystemerne
{$$y=2x+8 \text{ og } y=3x-4$$}