Solution 2.2:5b - Revision history

Tek at 12:28, 24 September 2008

2008-09-24T12:28:56Z

←Older revision		Revision as of 12:28, 24 September 2008
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-	Because the straight line is to have a ~~gradient~~ of	+	Because the straight line is to have a slope of <math>-3</math>, its equation can be written as
-	<math>-3</math>, its equation can be written as	+

		+	{{Displayed math\|\|<math>y=-3x+m\,,</math>}}

-	~~<math>~~y=-~~3x+m</math>~~	+	where ''m'' is a constant. If the line is also to pass through the point (''x'',''y'') = (1,-2), the point must satisfy the equation of the line,

		+	{{Displayed math\|\|<math>-2=-3\cdot 1+m\,,</math>}}

-	~~where~~	+	which gives that <math>m=1</math>.
-	<math>m~~</math>~~	+
-	~~is a constant. If the line is also to pass through the point~~	+
-	~~<math>\left( x \right.,\left. y \right)~~=~~\left(~~ 1 ~~\right.,\left. -2 \right)~~</math>~~, the point~~	+
-	~~must satisfy the equation of the line~~	+

		+	The answer is thus that the equation of the line is <math>y=-3x+1</math>.

-	<math>-2=-3\centerdot 1+m</math>
-
-
-	which gives that
-	<math>m=1</math>.
-
-	The answer is thus that the equation of the line is
-	<math>y=-3x+1</math>.
-
-
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	[[Image:1_2_2_5_b_ss1.jpg\|center\|300px]]		[[Image:1_2_2_5_b_ss1.jpg\|center\|300px]]
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2008-09-18T09:13:06Z

←Older revision		Revision as of 09:13, 18 September 2008
Line 1:		Line 1:
		+	Because the straight line is to have a gradient of
		+	<math>-3</math>, its equation can be written as
		+
		+
		+	<math>y=-3x+m</math>
		+
		+
		+	where
		+	<math>m</math>
		+	is a constant. If the line is also to pass through the point
		+	<math>\left( x \right.,\left. y \right)=\left( 1 \right.,\left. -2 \right)</math>, the point
		+	must satisfy the equation of the line
		+
		+
		+	<math>-2=-3\centerdot 1+m</math>
		+
		+
		+	which gives that
		+	<math>m=1</math>.
		+
		+	The answer is thus that the equation of the line is
		+	<math>y=-3x+1</math>.
		+
		+
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-	~~<center> [[Image:2_2_5b.gif]] </center>~~	+
	[[Image:1_2_2_5_b_ss1.jpg\|center\|300px]]		[[Image:1_2_2_5_b_ss1.jpg\|center\|300px]]
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2008-09-09T08:47:23Z

←Older revision

Revision as of 08:47, 9 September 2008

2008-08-21T06:40:49Z

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

2008-08-14T15:20:09Z

2008-08-14T15:07:12Z

2008-03-31T14:47:45Z

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