Presentation on theme: "If you can do these questions without looking at the answers"— Presentation transcript:
1 If you can do these questions without looking at the answers Paper 1 QuestionsCredit LevelIf you can do these questionswithout looking at the answersthen you are well on the wayto passing the exam.(Click to start)
2 Paper 1 Questions Credit Level Two yachts leave from harbour H.Yacht A sails on a bearing of 072°for 30 kilometres and stops.Yacht B sails on a bearing of 140°for 50 kilometres and stops.Bearing 072°72°h68°Bearing140°How far apart are the two yachts whenthey have both stopped?Do not use a scale drawing.140°SASCosine Rule
3 Paper 1 Questions Credit Level A mug is in the shape of a cylinder withdiameter 10 cms and height 14 cms.a) Calculate the volume of the mug.b) mls of coffee are poured in.Calculate the depth of the coffee in the cup.Let height be h cms
4 Paper 1 Questions Credit Level The number of diagonals, d, in a polygonwith n sides is given by the formula:A polygon has 20 diagonals. How many sides does it have?What are we trying to find ?nPolygon has 8 sides
5 Paper 1 Questions Credit Level In the diagramAngle STV = 34°Angle VSW = 25°Angle SVT = Angle SWV = 90°ST = 13.1 centimetresCalculate the length of SW
6 Paper 1 Questions Credit Level The area of triangle ABCis 38 square centimeters.AB is 9 centimetres andBC is 14 centimetres.Calculate the size of the acute angle ABCSASUse Area = ½ a b sin Cneed to transpose letters !!!
7 Paper 1 Questions Credit Level Find points where curve cuts the axesand co-ordinates of minimum turning point.-4-12(-1, -9)Axis of symmetry is between the rootsx = -1when x = -1min t.p. = (-1, -9)when x = 0y-intercept = (0, -8)
8 Paper 1 Questions Credit Level The diagram shows part of the graph of aquadratic function, with equation of the form1The graph cuts the y-axis at (0, -6) andthe x-axis at (-1, 0) and (3, 0)a) Write down the values of a and b.b) Calculate the value of k.c) Find the coordinates of the minimumturning point of the functiona = -1 and b = 3Choose a point on the curve (0, -6)
9 Paper 1 Questions Credit Level Two perfume bottles are mathematically similar in shape.The smaller one is 6 centimetres highand holds 30 millilitres of perfume.The larger one is 9 centimetres high.What volume of perfume will the larger one hold.Find the linear scale factorSince we are finding volume – scale factor is cubedVolume = mls
10 Paper 1 Questions Credit Level A sheep shelter is part of a cylinder as shown figure 1. It is 6 metres wide and 2 metres high. The cross-section of the shelter is a segment of a circle with centre O, as shown in Figure 2.OB is the radius of the circle.Calculate the length of OB.3PythagorasMBr - 2rrOr
11 Paper 1 Questions Credit Level A driver travels from A to B, a distance of x miles at a constant speed of 75 kilometres per hour. Find the time taken for the journey in terms of x.b) The time for the journey from B to A is hours. Calculate the driver’s average speed for the whole journey.DSThoursDistance = 2 xTotal time =Speed = Distance TimeSpeed =
12 Paper 1 Questions Credit Level Fiona checks out the price of a litre of milk in several shops.The prices in pence are:a) Find the mean price of a litre of milk.b) Find the standard deviation of the prices.c) Fiona also checks out the price ofa kilogram of sugar in the same shopsand finds that the standard deviationof the prices is 2.6.Make one valid comparison betweenthe two sets of prices.x4944415247433-2-561-3942536127684Mean =Price of milk varies more than price of sugar
13 Paper 1 Questions Credit Level A microwave oven is sold for £150.This price includes VAT at 17.5%Calculate the price of the microwave oven without VAT.Price without VAT = £ 150Price without VAT == £
14 Paper 1 Questions Credit Level Solve the equationGive your answers correct to 1 decimal place.Use the quadratic formulaa = 2, b = -3, c = -7
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