Directly Proportional - Revision history

NRJC: /* Exam Marks */

2021-12-05T15:24:28Z

‎Exam Marks

2021-12-05T15:24:17Z

‎Exam Marks

2021-12-05T15:24:02Z

2021-12-05T15:23:19Z

‎About Direct Proportionality

2021-12-05T15:21:15Z

‎About Direct Proportionality

2019-11-17T15:17:26Z

2019-11-04T09:23:29Z

2019-11-04T09:23:10Z

2019-11-04T09:20:52Z

2019-04-06T21:41:26Z

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 ===Exam Marks===
 : Straight line [1 mark]
-: Passing through zero / the origin [1 mark]
+: Passing through zero / passing through the origin [1 mark]
 ===Examples===

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 ===Exam Marks===
-: Straight line [1]
+: Straight line [1 mark]
-: Passing through zero / the origin [1]
+: Passing through zero / the origin [1 mark]
 ===Examples===
 {| class="wikitable"

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 : Two variables are said to be '''directly proportional''' when they always vary by the same ratio.
 ===Examples===
 {| class="wikitable"

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 ===About Direct Proportionality===
-: A [[Scatter Graph|scatter graph]] showing a '''directly proportional''' relationship has a [[linear]] [[gradient]] that passes through zero, it has a [[y-intercept]] of zero.
+: A [[Scatter Graph|scatter graph]] showing a '''directly proportional''' relationship has line with a [[linear]] [[gradient]] that passes through zero (it has a [[y-intercept]] of zero).
 : On a [[proportional]] [[Scatter Graph|scatter graph]] when one [[variable]] doubles, the other doubles or when one triples the other triples.
 : When two variables are '''directly proportional''' when any value for y is divided by its corresponding value for x it will always give a constant value.

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 : A [[Scatter Graph|scatter graph]] showing a '''directly proportional''' relationship has a [[linear]] [[gradient]] that passes through zero, it has a [[y-intercept]] of zero.
 : On a [[proportional]] [[Scatter Graph|scatter graph]] when one [[variable]] doubles, the other doubles or when one triples the other triples.
 ===Examples===

← Older revision		Revision as of 15:17, 17 November 2019
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	:[https://www.amazon.co.uk/gp/product/019835939X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=019835939X&linkCode=as2&tag=nrjc-21&linkId=57e96876985fc39b1a3d8a3e3dc238b6 ''Directly proportional, pages 158-159, 282, GCSE Physics; Third Edition, Oxford University Press, AQA '']		:[https://www.amazon.co.uk/gp/product/019835939X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=019835939X&linkCode=as2&tag=nrjc-21&linkId=57e96876985fc39b1a3d8a3e3dc238b6 ''Directly proportional, pages 158-159, 282, GCSE Physics; Third Edition, Oxford University Press, AQA '']
		+
		+	====Edexcel====
		+
		+	:[https://www.amazon.co.uk/gp/product/1292120193/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120193&linkCode=as2&tag=nrjc-21&linkId=572df39392fb4200db8391d98ae6314e ''Direct proportional, page 427, GCSE Combined Science, Pearson Edexcel '']

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 ===References===
 ====AQA====
 :[https://www.amazon.co.uk/gp/product/019835939X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=019835939X&linkCode=as2&tag=nrjc-21&linkId=57e96876985fc39b1a3d8a3e3dc238b6 ''Directly proportional, pages 158-159, 282, GCSE Physics; Third Edition, Oxford University Press, AQA '']

← Older revision		Revision as of 09:20, 4 November 2019
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	Where m, the [[gradient]], is positive.		Where m, the [[gradient]], is positive.
	\|}		\|}
		+
		+	===References===
		+	====AQA====
		+
		+	:[https://www.amazon.co.uk/gp/product/019835939X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=019835939X&linkCode=as2&tag=nrjc-21&linkId=57e96876985fc39b1a3d8a3e3dc238b6 ''Directly proportional, pages 158-159, 282, GCSE Physics; Third Edition, Oxford University Press, AQA '']

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 ==Key Stage 4==
 ===Meaning===
-When two [[variable]]s are '''directly proportional''' when one [[variable]] is [[multiplied]] by a factor, the other [[variable]] is multiplied by the same [[factor]].
+When two [[variable]]s are '''directly proportional''' when one [[variable]] is multiplied by a factor, the other [[variable]] is multiplied by the same factor.
 ===About Direct Proportionality===