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1 Revision Exercise 9

Solutions to Revision Exercise 9 (Ho Soo Thong & Khor Nyak Hiongs Panpac Additional Mathematics)

Solved by: Dr Lee Chu Keong (ascklee@gmail.com)

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2 Revision Exercise 9

Revision Exercise 9 This PDF file only contains solutions. For the questions, please refer to Ho Soo Thong

and Khor Nyak Hiongs textbook, Additional Mathematics.

Question 1

( )

( )( ) ( )( )

( )

Add 6 to both sides of the equation

( )( )

( )( )

( )( )

( )( )

Question 2(a)

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3 Revision Exercise 9

( )

( )

Question 2(b)

1 2 3 4

0.47 2.03 2.87 3.45

1.60 7.61 17.63 31.50

1 4 9 16

( )

Question 3

y-coordinate of Point P is .

Point P is ( ).

( ) ( )

( )( )

Point Q is ( ).

The distance PQ is .

Area of PQF

|

|

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4 Revision Exercise 9

|( ) ( )|

( )

( )

Question 6

( )

must be the diameter because .

The centre of the circle is (

) ( ).

( ) ( )

( ) ( ( ))

Equation of the circle:

( ) ( )

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5 Revision Exercise 9

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