sazlik
Flailing Nerd
- Joined
- Nov 8, 2008
- Messages
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- Female
- HSC
- 2011
[Solved] Syllabus Question: 8t^2=1-10t
I'm using the syllabus to make some notes for myself and 1.4(iii) has an example question I can't make sense of. The section is 'quadratic equations, including solution by factorisation and by formula' and the question is
.
As far as I can tell, there's no straightforward solution to that question—it's left me a bit puzzled. I ran it through WolframAlpha and it says that
or
.
So what is this? XD Is it a typo, or am I missing something really obvious in trying to solve this question?
I'm using the syllabus to make some notes for myself and 1.4(iii) has an example question I can't make sense of. The section is 'quadratic equations, including solution by factorisation and by formula' and the question is
As far as I can tell, there's no straightforward solution to that question—it's left me a bit puzzled. I ran it through WolframAlpha and it says that
So what is this? XD Is it a typo, or am I missing something really obvious in trying to solve this question?
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