Exam style questions - Hodder Plus Home

More documents

Recommendations

Info

Exam questions: Unit B .. and its solution The scale factor is 3, as you can see from comparing the lengths of sides of the smaller and larger rectangles. The lines drawn through corresponding points gives the centre of enlargement as (2, 3). y 14 12 10 8 6 4 2 3 For this diagram, describe fully the single transformation that maps trapezium Q on to trapezium R. [3] 4 y 4 3 2 R Q 1 21 1 1 2 3 4 5 6 x 2 y 4 0 2 4 6 8 10 12 14 16 18 x 2 A B Now try these exam questions 1 The diagram shows shape A. y 3 2 1 A 3 2 1 1 1 2 3 2 3 x Draw the shape A after an enlargement with centre (0, 0) and scale factor 3. Label the image B. Note that you will need an x-axis from −5 to 10 and a y-axis from −5 to 8. [3] 2 The diagram shows the shapes A and B and the line L. y 7 6 L 5 4 B 3 A 2 1 4321 1 1 2 3 4 5 x 2 a Shape B is an enlargement of shape A. For this enlargement, find i the scale factor. ii the coordinates of the centre of enlargement. b Draw the image of shape B after reflection in the line L. Note that you will need x- and y-axes from −7 to 7. [4] 2 0 2 4 6 x Find the centre and scale factor of the enlargement that maps shape A on to shape B. [3] 5 y 10 9 8 7 6 5 4 3 2 1 A –4 –3 –2 –1 –1 0 1 2 3 4 5 6 7 8 9 10 11 x –2 –3 –4 Rectangle B is an enlargement of rectangle A. Complete these statements. a The scale factor of the enlargement is ……………… [1] b The centre of the enlargement is B …………………… [2] c The area of rectangle B is ……….. times the area of rectangle A. [2] d The perimeter of rectangle B is ……….. times the perimeter of rectangle A. [2] 36 Revision Notes © Hodder Education 2011
16 Scatter diagrams and time series Here is an exam question ... This table shows the hours of sunshine during the day and the number of bikes hired out by a bike hire firm over a 10-day period. Hours of sunshine 6 1 7 8 10 2 9 4 9 5 Bikes hired out 25 5 26 7 35 10 22 14 30 18 a Draw a scatter diagram to show this information. [2] b Describe the correlation shown in the scatter diagram. [1] c Draw a line of best fit on your diagram. [1] d Use your line of best fit to estimate how many bikes would be hired when there were 3 hours of sunshine. [1] ... and its solution a and c 40 Number of bikes hired 35 30 25 20 15 10 5 0 2 4 6 8 10 12 Hours of sunshine b Positive correlation d About 12 bikes Exam Tip Make sure your line is close to most of the points and that there are roughly the same number on each side of the line. Exam Tip Always show your working for part d. Even if your line of best fit is not correct you can still gain the marks for knowing (and showing the examiner) how to use it. © Hodder Education 2011 Unit B 37
Page 1 and 2: Contents Exam questions A Mathemati
Page 3 and 4: 1 Integers Here is an exam question
Page 5 and 6: 2 The table shows the number of pas
Page 7 and 8: 6 Equations 1 Here is an exam quest
Page 9 and 10: Now try these exam questions 1 The
Page 11 and 12: 50 60 70 80 Temp °C … and its so
Page 13 and 14: 4 P is 8 km from O on a bearing of
Page 15 and 16: Now try these exam questions 1 Harr
Page 17 and 18: 1 2 4 6 6 6 7 Finally add a key. 6
Page 19 and 20: 4 The longer side of a rectangle is
Page 21 and 22: 4 ‘Doggy Planet’ sell pet goods
Page 23 and 24: Now write a question to find out ho
Page 25 and 26: 1 Working with numbers Here is an e
Page 27 and 28: More exam practice 1 Ordinary marma
Page 29 and 30: … and its solution a 3 7 of 35 kg
Page 31 and 32: ... and its solution a i b 1 5 1 5
Page 33 and 34: 3 100 pints is approximately 55 lit
Page 35 and 36: 2 y 7 6 5 4 3 2 1 A b Copy the diag
Page 37: 2 The diagram shows shapes A and B.
Page 41 and 42: a Complete the scatter diagram. (Th
Page 43 and 44: Graphical solution of simultaneous
Page 45 and 46: 1 Two-dimensional representation of
Page 47 and 48: More exam practice 1 The diagram sh
Page 49 and 50: 3 Will carried out a survey on peop
Page 51 and 52: ... and its solution a Upper bound
Page 53 and 54: a Use these data to find the probab
Page 55 and 56: 8 Using a calculator Here is an exa
Page 57 and 58: Now try these exam questions 1 The
Page 59 and 60: 11 Graphs Distance-time and other r
Page 61 and 62: a How far does Tom live from school

Exam style questions - Hodder Plus Home

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?