Direct And Inverse Proportion (Foundation) Jfvh Mark Score C
NameDateDirect and Inverse Proportion(Foundation)MarkScore6MaterialsFor this paper ou must haveRulerPencil Rubber Protractor and CompassScientific calculator hich ou are e pected to use hen appropriateInstructionsAns er all questionsAns er questions in the space providedAll orking must be sho nDo all rough ork in this book Cross out an rough ork ou don t ant to be markedInformationThe marks for the questions are sho n in brackets
1A machine fills 200 bottles in 4 hours.Work out how many hours it would take the machine to fill 250 bottles. .122 There are 500 sheets in a pack of paper.500 sheets of paper weigh 3.5kg.Work out the weight of 100 sheets of paper. .2
3It costs 0.85 to buy 7 apples.Work out how much it would cost to buy 5 apples. .24It costs 1.19 to buy 6 bananas.Work out how much it would cost to buy 10 bananas. .2
53 painters take 7 days to complete a job.Work out how many days it would take 1 painter to complete the same job. .264 tins of beans and 4 tins of sweetcorn costs 2.32.7 tins of beans costs 2.66.Work out how much one tin of sweetcorn costs. .2
75 machines take 3 days to produce 2000 CDsWork out how long it would take 1 machine to produce the same amount of CDs. .28 7 painters take 10 days to paint a house.Work out how many days it would take 3 painters to complete the same job. .2
95 packets of biscuits and 7 packets of chips costs 5.80.10 packets of chips cost 4.00.Work out how much one packet of biscuit costs. .9210 It takes 8 machines 9 hours to produce 1500 DVDsWork out how long it would take 2 machines to produce 1500 DVDs. .102
11 y is directly proportional to x.y is given by the formula:y 0.7xFind the value of y when x 4y .11212 y is directly proportional to the square of x.When y 27, x 3.Find the value of y when x 5y .124
13x is inversely proportional to y.x is given by the formula:x 1000yFind the value of x when y 25x .13142A and B are positive numbers. A is inversely proportional to B.When A 6, B 40.Find the value of A when B 5.A .14
15 The weight of a piece of wire (w grams) is directly proportional to its length (l mm).w is given by the formula:w 20lFind the length of a wire weighing 100 grams.l .mm15316 The force, F, between two magnets is inversely proportional to the square of the distance, x cm,between them.F is given by the formula:F 25x2Find the force when two magnets are 6 cm apart.F .N163
17The cost of a circular table is directly proportional to the square of the radius. Acircular table with a radius of 45cm cost 81.What is the cost of a circular table with a radius of 30cm? .17183The time taken, t seconds, that it takes a water heater to boil water is inversely proportionalto the power, p watts, of the water heater.When P 3000W, T 250 seconds.Find the time it takes to boil water when P 1200W.seconds18
19a is directly proportional to c. w is inversely proportional to a³.When c 25, a 20 When a 3, w 108.Find the value of w when c 6.Z 19206The number of days, D, to complete research is inversely proportional to the numberof researchers, R, who are working.The research takes 125 days to complete is 16 people work on it.Find how many people are needed to complete the research in 40 days.205
Direct and Inverse Proportion (Foundation Version) GCSE (9-1) Worksheet ExamQA Author: ExamQA Subject: GCSE Maths Keywords: Direct and Inverse Proportion (Foundation), Directly proportional, inverse
B.Inverse S-BOX The inverse S-Box can be defined as the inverse of the S-Box, the calculation of inverse S-Box will take place by the calculation of inverse affine transformation of an Input value that which is followed by multiplicative inverse The representation of Rijndael's inverse S-box is as follows Table 2: Inverse Sbox IV.
www.justmaths.co.uk Direct & Inverse Proportion (H) - Version 2 January 2016 Direct & Inverse Proportion (H) A collection of 9-1 Maths GCSE Sample and Specimen questions from AQA, OCR, Pearson-Edexcel and WJEC Eduqas. 1. y is inversely proportional to x. y 16 when x 1 2 Write an expression for y in terms of x. [4] 2.
Direct and Inverse Proportion GCSE Edexcel Mathematics Grade (9-1) _ 55. Leave 1 s is directly proportional to t blank When s 4, t 12 Find the value of t when s 7 . Direction and Inverse Proportion
State whether each equation represents a direct, joint, or inverse variation. Then name the constant of variation. 1. u 5 8wz joint; 8 2. p 5 4s direct; 4 3. L 5 inverse; 5 4. xy 5 4.5 inverse; 4.5 5. 5 p 6. 2d 5 mn 7. 5 h 8. y 5 direct; p joint; inverse; 1.25 inverse; Find each value. 9. If y varies directly as x and y 5 8 when x 5 2, find y .
Inverse functions mc-TY-inverse-2009-1 An inverse function is a second function which undoes the work of the first one. In this unit we describe two methods for finding inverse functions, and we also explain that the domain of a function may need to be restricted before an inverse function can exist.
6.1 Solving Equations by Using Inverse Operations ' : "undo" or reverse each others results. Examples: and are inverse operations. and are inverse operations. and are inverse operations. Example 1: Writing Then Solving One-Step Equations For each statement below, write then SOIVP an pnnation to determine each number. Verify the solution.
24. Find the multiplicative inverse of 53 4 25. Find five rational numbers between 0 and -1 26. Find the sum of additive inverse and multiplicative inverse of 7. 27. Find the product of additive inverse and multiplicative inverse of -3 . 28. What should be subtracted from 5/8 to ma
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