please help on this math question !

Question

anonymous · Answer

attachment

anonymous · Answer

Question number 6 confuses me

anonymous · Answer

http://www.haeseandharris.co.nz/nz/samples/nz11_12.pdf can you also help me on question 2 page 214. the website has the textbook with the picture

anonymous · Answer

point (3,a) means a = y coordinate at this point
so  you get a right angled triangle as in drawing:

anonymous · Answer

sorry i meant page number 327

anonymous · Answer

how would i solve for it?

anonymous · Answer

|dw:1327617711449:dw|

anonymous · Answer

by pythagoras
a^2 = 5^2 - 3^2 = 16
so a = 4

ksaimouli · Answer

jimmrey after u are done with this question help me

anonymous · Answer

second part of q 6:
gradient of AP = 4 / (3--5) = 4/8 = 1/2
.....             BP  =   4 / (3-5) =  -2

anonymous · Answer

i have a question also from the website

anonymous · Answer

anonymous · Answer

and 2c

anonymous · Answer

6 c : -
ANGLE APB = right angle because gradient of BP * AP = -1

anonymous · Answer

2a average speed   = distance/time  920 / 11 = 83.6

anonymous · Answer

oh alright how about question 3

anonymous · Answer

3c part ii

anonymous · Answer

and 2c

anonymous · Answer

2c  greatest average speed is where the graph is steepest
can u identify this?