International A-Level & BTEC Practice
What international a-level & btec practice means
Advanced and vocational qualification style questions.
Before you start
Not confident yet? Work through GCSE Practice first.
Worked example
One question from this skill's own question bank, shown with its full working.
The discriminant of ax² + bx + c = 0 is:
- b² + 4ac
- b² − 4ac
- 4ac − b²
- 2a/b
Working: It determines the nature of the roots.
Curriculum and exam alignment
Curriculum notes are a general guide to where this work normally sits. Always check the syllabus your school or examination body is currently using.
Related skills
Other Edexcel Exam Practice skills in Pearson Edexcel, at the same point in the course.
Other Pearson Edexcel topics
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Exams that assess international a-level & btec practice
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