Home > Subjects > Mathematics > Level 1 > 1.4 Linear algebra (AS91029) > Key tips
- Subject: Mathematics
- AS: 91029
- Level: 1
- Credits: 3
- Internal
Mathematics 1.4 Apply linear algebra in solving problems
Key tips
- Learn to solve equations by setting out logical steps rather than using guess and check.
- Practise basic algebra skills thoroughly.
- Be careful to copy terms correctly from step to step.
- Substitute your answer into the equation to check that it is correct.
- An understanding of transformations of graphs is expected.
- Use a ruler for drawing line graphs.
- Look carefully at the scales on each axis. When working out the gradient do not simply count squares – remember to check how many units each grid line represents first.
- Know the difference between 'intercept' and 'intersect'. An intercept is a point where the graph crosses the axes. Intersect means cross or meet.
- Show your working clearly in correct mathematical steps. Give a full sentence stating your answer.
- Answer the question in the context that is given. Use commonsense to check your answer.
- Reread the question to check that you have answered the question asked.
- Attempt all questions as evidence from higher level questions may be used in awarding credit for a lower grade.
