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NSWMaths Standard 2Quick questions
Year 11: Algebra
Quick questions on Substituting into formulae for HSC Maths Standard 2
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is the method, in order?Show answer
Substitution is four steps, always in this order:
What is order of operations is the whole game?Show answer
When you evaluate the substituted line, the operations are not done left to right. They follow the standard priority, often remembered as BIDMAS or BODMAS:
What are powers of negative numbers?Show answer
The single most common substitution error in this course is squaring a negative number. The rule is:
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