Kramizo
Log inSign up free
AQA · GCSE · Mathematics

One real Mathematics question.
No signup. 30 seconds.

Topic: Simultaneous equations involving one linear and one quadratic. Pick an answer — get the mark scheme instantly.

Question · Difficulty 2/3

Substituting y = 2x into x² + y² = 20 gives which equation?

Tap an option to see the mark scheme

Pick your board & subject
Try a real question from the bank — no signup needed.
4,364 questions