Cambridge International Mathematics

716 ANSWERS

biy=¡ 5 x^2 is ‘thinner’

than y=x^2

iigraph opens downwards

c

i y=^13 x^2 is ‘wider’ than y=x^2

iigraph opens upwards

d

i y=¡^13 x^2 is ‘wider’ than y=x^2

iigraphs opens downwards

eiy=¡ 4 x^2 is ‘thinner’

than y=x^2

iigraph opens downwards

f

i y=^14 x^2 is ‘wider’ than y=x^2

iigraph opens upwards

2a b

c

d e f g h i

3aG bA c E d B eI f C

gD hF i H

4a i iisame shape

bi iisame shape

x

y

@\=\!X

@\=\-5!X

O

x

y

@\=\!X

@\=Qe_\!X

O

x

y

@\=\!X

@\=-\Qe_\!X

O

x

y

@\=\!X

@\=\-4!X

O

x

y

@\=\!X

@\=Qr_\!X

O

x

y

(1' 3)

@\=\-(!-1)X+3

2

O

x

y

(0' 4)

@\=\2!X+4

O

x

y (2' 4)

@\=\-(!-2)X+4

O 4

x

y

(-1' -4)

@\=\3(!+1)X-4

-1

O

x

(-4' 3) y

@\=\-2(!+4)X+3

O

x

(-3' 1) y

@\=\-Qw_\(!+3)X+1

-3\Qw_

O

x

y

@\=\2(!-3)X+5 (3' 5)

O

x

y

(2'-1)

@\=Qw_\(!-2)X-1

1

O

y

x

@\=\2!X

@\=\2!X-3!+1

Qw_^1

1

(Er_\'-\Qi_)

O

y

x

@\=\-!X

@\=\-!X-6!+4

(-3' 13)

4

O

x

y

(-3' 0)

@\=Qw_\(!+3)X

4\Qw_

O

IB MYP_3 ANS

cyan magenta yellow black

(^05255075950525507595)
100 100
(^05255075950525507595)
100 100
Y:\HAESE\IGCSE01\IG01_an\716IB_IGC1_an.CDR Thursday, 20 November 2008 4:37:10 PM PETER