Solution 4.1:6a - Revision history

Tek at 08:31, 8 October 2008

2008-10-08T08:31:28Z

←Older revision		Revision as of 08:31, 8 October 2008
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	If we write the equation as		If we write the equation as

		+	{{Displayed math\|\|<math>(x-0)^2 + (y-0)^2 = 9</math>}}

-	~~<math>\~~left( x-0 ~~\right~~)~~^{2}+\left~~( y-0 \~~right)^~~{2}=9</math>	+	we can interpret the left-hand side as the square of the distance between the points (''x'',''y'') and (0,0). The whole equation says that the distance from a point (''x'',''y'') to the origin should be constant and equal to <math>\sqrt{9}=3\,</math>, which describes a circle with its centre at the origin and radius 3.


-	we can interpret the left-hand side as the square of the distance between the points
-	<math>\left( x \right.,\left. y \right)</math>
-	and
-	<math>\left( 0 \right.,\left. 0 \right)</math>.
-	The whole equation says that the distance from a point (
-	<math>\left( x \right.,\left. y \right)</math>
-	to the origin should be constant and equal to
-	<math>\sqrt{9}=3</math>, which describes a circle with its centre at the origin and radius
-	<math>\text{3}</math>.
-
-
-
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	<center> [[Image:4_1_6_a.gif]] </center>		<center> [[Image:4_1_6_a.gif]] </center>
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2008-09-27T11:27:52Z

←Older revision		Revision as of 11:27, 27 September 2008
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		+	If we write the equation as
		+
		+
		+	<math>\left( x-0 \right)^{2}+\left( y-0 \right)^{2}=9</math>
		+
		+
		+	we can interpret the left-hand side as the square of the distance between the points
		+	<math>\left( x \right.,\left. y \right)</math>
		+	and
		+	<math>\left( 0 \right.,\left. 0 \right)</math>.
		+	The whole equation says that the distance from a point (
		+	<math>\left( x \right.,\left. y \right)</math>
		+	to the origin should be constant and equal to
		+	<math>\sqrt{9}=3</math>, which describes a circle with its centre at the origin and radius
		+	<math>\text{3}</math>.
		+
		+
		+
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	<center> [[Image:4_1_6_a.gif]] </center>		<center> [[Image:4_1_6_a.gif]] </center>

-	~~<center> [[Image:4_1_6a.gif]] </center>~~	+
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2008-09-09T09:36:43Z

←Older revision

Revision as of 09:36, 9 September 2008

2008-08-21T07:05:29Z

Robot: Automated text replacement (-[[Bild: +[[Image:)

2008-08-15T14:14:20Z

2008-04-02T13:04:04Z

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