Re: 2012 Year 9 &10 Mathematics Marathon
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yes.LOL wait! the ^ is to the power right?
Here's a good question:
Find the minimum value for the term 3^(x^2-8x+14)
Someone happy to do the question above for carrot? I'm afraid I'm on my ipod and I have table tennis soon so I will have to leave it for later. Nice simple q I might add.Eliminate theta from the following expressions:
let the youngest sister be x5 sisters are born on 2 year successive intervals. The eldest sister is twice the age of the youngest sister. What is the age of the 3rd youngest sister?
Lol I did it myself. Failed it however cos I was sick and everything so barely studied and such LOL and silly mistakes TTlet the youngest sister be x
therefore oldest sister = x+2+2+2+2
2x=x+8
x+8
third youngest sister is 8+2+2 = 12 years old.
this question was in the Ngo and Sons Year 10 exit exam! O: where'd you find it?
?Eliminate theta from the following expressions:
Correct! Or alternately for iii, just would probably be faster to write in an exam
yep
Here's a question from my year 10 yearly exam
Also, don't forget to show full working for all questions in this thread